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I I ~ , I I II ~ I ~ I i I I it' . irO IIIIIl I I t ,t I I),i t

DOWANOLGly c ol Eth e r s

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An Over viewof DOWANOLGlycol Ethers

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2

For the 1990's and beyond . perhaps no issueis of greater importance to formulators andusers of chemical products than those relatingto human health and the environment . Withrespect to these issues, solvents - along withmany other classes of materials - have beenthe object of an unprecedented level of research .

We believe that DOWA NOL* glycol etherswill continue to emerge from this scrutiny as sol-vents of choice for the future . Fundamentally, theirtoxicological and environmental properties aresound, particularly those of our extensive P-Series(propylene-based) line .

Further, and perhaps equally important,DOW ANO L glycol ethers offer performance fea-tures that make them an exceptional match to thechanging needs of formulators as they confronthealth and environmental issues .We've prepared this literature to help youunderstand DOW ANOL products from a healthand environmental perspective. The advantagesactually begin with the enthusiasm and the ser-vices we put behind every DOW ANOL product .

Dow Services :A Vital First Ste pAt the core of our service philosophy is our

dedication to helping customers achieve maxi-mum performance from a minimum amount ofprecisely the right solvent . We understand thatthe efficient use of solvents is science, not art .And by making continuous advances in solventscience, we can help make that "minimumsolvent" target a vital link in your health andenvironmental program .ASOS Program - Our Applied Science ofSolvency (ASOS') program is one tool werecontinuously developing to benefit all customersand potential users of DOWA.NOL glycol ethers .First, the ASOS program is designed to extractmaximum performance from our existing productsby advancing solvent science in general . We'vealso defined ASOS as our program for the activedevelopment of new oxygenated solvents to meetcustomer needs .

`Trademark of The Dow Chemical CompanyService Mark of The Dow Chemical Company

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For example, the ASOS program includessolubility mapping techniques to assist end productformulators and resin producers in making idealmatches between solvents and resins . In a similarfashion, the ASOS program includes ongoing workto optimize matches between resins and couplingsolvents in water-reducible systems .

To assist in reformulation, our ASOS programincludes another dimension called CHEMCOMPservices. CHEMCOMP services use computerizedmathematical models to aid in matching evaporationrates and composition changes when changing fromone solvent blend to anotherNew Oxygenated Solvents - As health andenvironmental issues drive changes in basic for-mulation technology, appropriate new solventsmust be developed. We're actively engaged in thesearch for new solvents, and our ASOS programis helping us develop them to more preciselymatch customer needs than ever before .Reformulation Assistance - No matter whatyour application is, there are many reformulationsituations in which our experience and techno-logy can be of considerable assistance . If youneed to switch from a low-solids to a high-solidssolvent-borne system, call on us for the productsand technology that make efficient, active sol-vency the backbone of environmentally com-pliant formulations . We can also help you moveinto water-borne and water-reducible systems .

Or, you may be considering a switch fromE-Series (ethylene-based) to P-Series (propylene-based) glycol ethers . With our broad and growingline of P-Series DOWANOL glycol ethers, we'rethe resource you can rely on for the right P-Seriesproduct to match your specific formulation needs .

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A Brief Review of Propertiesand Applications

Glycol ethers a re much mor e than just efficientorganic solvents, a n d therein lies a fundamentalreason for their growing accept a n ce . They offer aremarkable combination of additional prope r t iesthat often opens up completely new formulationpossibilities, or reduces t h e need for otheradditives or solvents .Coatings - Glycol ethers are helping coatingsformulators address health and environmentalissues in two significant ways .

Fast, glycol ethers provide active solvency,rather than just diluent capabili ty . This addedefficiency helps lower viscosity in high-solidssolvent-borne coatings designed to reduce totalVOC emissions .

And as reg ulatory issues drive the increasingpopulari ty of water-reducible and water-borne tech-nology, glycol ethers are excellent solvent choices.Glycol ethers are water compatible and are able tocompatibilize aqueous/organic multiphase systems.So they're ideal coupling solvents for water-reducible coatings, as well as high-performancecoalescing agents for water-borne coatings .Cleaners - As formulators of cleaning productsseek solvents with good toxicologic profiles,glycol ethers are being specified more often,particularly P-Series products .

With their dual aqueouslorganic properties,glycol ethers can also help reduce or el iminate theneed for addit ional ingredients such as co-solven ts,surfactants, or hydrotropes . Glycol ethers effectivelyreduce formulation surface tension . Their couplingability helps keep soils suspended. and can also helpto compatibilize other formulation ingredients .

Moreov er, glycol ethers can help cleaningformulators meet VOC regulations by reducin gthe total amount of solvent needed in a formulation .Glycol ethers provide efficient, active solvency forgreases and oils, superior to that of many hydrocar-bon solvents.Other Applications - Glycol ethers are usedas solvents and coalescents for inks, agriculturalproducts, cosmetics, latex adhesives, and leatherdyes . As additives for jet fuel, they help preventice buildup in fuel lines and inhibit bacteriagrowth in fuel tanks .

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The Clean Air ActAmendm ents of 1990 andDOWANOL Glycol Ethers

The sort of multifunctional performancedescribed above is likely to become morevaluable as the Clean Air Act Amendmentsof 1990 progressively impact on formulationtechnology . Higher-technology systems arelikely to become increasingly common, spur-ring the need for higher-performance, less-hazardous solvent systems .Title I and VOCs - Almost all organic solventsin use today are classified as VOCs (VolatileOrganic Compounds), and Title I of the 1990Amendments calls for progressive reductions inemissions of these materials . Thus, the expectedtrends in formulation technology are likely tofavor more efficient, versatile solvents .

DOWANOL glycol ethers can address manyVOC-reduction needs through their efficiency inhigh-solids, solvent-borne systems, their couplingperformance in water-reducible systems, and theircoalescing ability in water-borne systems .Title III and HAPs - Title III of the 1990Amendments lists a long series of materials orclasses of materials that are considered HAPs(Hazardous Air Pollutants) . Under Title Ill, theMaximum Achievable Control Technology(MACT) standards that are being phased in duringthe mid- 1990's will place increasing pressure onformulators to reduce emissions of HAPs, or toseek alternatives to them .

Since P-Series glycol ethers do not appear onthe HAPs list, it is likely that they will see increasinguse, both as al ternatives in exist ing formulations aswell as the solvents of f irst choice in new systems .The growing l ine of P-Series DOWANOL g lycolethers offers an extensive range of evaporation ratesand other properties as options for formu lators intenton HAPs reduction .

At Dow, we're also working on new oxygen-ated solvents to further expand your abil i ty to dealwith VOC- and HAP-related issues . These includediethers of propylene glycol as well as butylene-oxide based glycol ethers and their acetates .

The following pages provide a more specificlook at the health and environmental properties ofDOWANOL glycol e thers . We invi te your review ofthis information, and we'll be glad to assist you inany way we ca n if you require addit ional assistance .

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DOWANOLGlycol Ethersand HunianHealt h

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Figure I - Comparative Metabolism and Disposition of Ethylene GlycolMethyl Ether and DOWANOL PM Propylene Glycol Methyl Ether

Ethylene GlycolMethyl Ethe r

CH3-0-CH2-CH2-OH

EGME Co n j u ga t e A l c o h o lDehydrogenase

CH3 - 0 -CH2 -000HM e t h o x y a c e t i c A c i d

C O 2

Urine(50-60%)

The body of toxicological information onDOWANOL glycol ethers and their acetatesis constantly growing. In addition to the datain this brochure, we constantly update ourcustomer information regarding the toxicity,storage, handling, and use of the glycol ethersand acetates we sell . To obtain updated MaterialSafety Data Sheets or additional information ontoxicology and handling, call 1-800 -447-4369 .

The Properties of EachDOWANOL Product AreUnique

Although DOVeANOL glycol ethers all havesome fundamental similarities in chemical struc-ture, there are significant differences amongthem . Not only are DOWANOL products dividedbroadly into ethylene-based (E-Series) andpropylene-based (P-Series) families, but no twoproducts in either family has the same toxico-logic properties .

Broadly, toxicity studies have established thatthere are very significant differences between

DOWANOL PM PropyleneGlycol Methyl Ethe rC H 3I

CH3-0-CH2-CH-OH

P G M E - S O 4

M i crosomal0 -Demethy l axe

CH 3I

HO -CH2-CH-OHP r o p y l e n e G l y c o l

C O r Z

iUine Expred Ar(10-20%I (50-600)

E-Series and P-Series glycol ethers . For example .the comparative metabolism and disposition in ratsdiffers markedly for ethylene glycol methyl ether(EM)' and the predominant isomer of propyleneglycol methyl ether (PM) . As shown in Figure 1 ,the major metabolite of ethylene glycol methyl etherwas found to he methoxyacetic acid, while that ofpropylene glycol methyl ether was found to be pro-pylene glycol, which a multitude of studies indicateis a substance with minimal toxicity . These differ-ences in routes of metabolism and types of meta-bolites appear to be the basis for the remarkablydifferent toxicological properties of the two majortypes of glycol ether products .

A careful review o f the data in Table Iwill underscore the importance of treating eachDOW ANO L glycol ether as unique . While toxi-cologic studies such as the preceding examplehave shown unfavorable results for some indivi-dual E-Series glycol ethers, no study has yet shownan unfavorable pattern of toxicity for the entireE-Series family .

Ebl . eth} Icne ,Ivcol meth, I ther, ii not -1d i, The Duo chcmicul Company

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Table 1-1i)xicit' Sum-mary for DOWA&OLGlycol Ethers

G lycol Erlier Toxicity Sunio-tar yExposu re7ypeof study specesLeve EHecLPropylene Glycol Monom ethyl Ether (PM)

90-day subchronic inhalation study Rats t(1(10 ppm C NS depression & sligh tRabbits liver weight increase

1000 ppm NOELInhalation teratology studies Rats 3110)o ppm Maternal tnxi"ty sligh t

C-NS depression . decrease dfood consumption . sligh tI e t o l o x i c i l y

1500 ppm N O E LRabbits 3000 ppm M aternal toxicity (decrease d

food consumption )1500 ppm NO E L

Dipropylene Glycol Monomethy l Ether (DPM)90-day subchronic inhalation study Rats 200 ppm No treatment-related

Rabbits 50 ppm effects at any lend15 ppm

Inhalation teratology study Rats 300 ppm No treatment-relatedRabbits 150 ppm effects at any ) C ' e l50 pp m

4-week dermal slady Rats 1000 mg/kg No treatment relate d100 mg/kg effect sTripropylene Glycol Monomethyl Ether (TPM)Dcrmal 90-day subchronic study Rabbits 10 ml/kg Mortality at high dose :

4 ml/kg narcosis at lower doses .3 ml/kg mild skin irritatio nI ml/kg

Inhalation teratology study Rats Aerosols of Maternal toxicity at hig h1 .0 mg/L dose: embryo/fetotoxicit r0 .3 mg/L and teratogenicity0 .1 mg/L NOEL= 1 .0 mg/L

Propylene Glycol Monom ethyl Ether Acetate (PMA)Inhalation 9-day subacute study Rats 3000 ppm Mild. high-dose liner effect '

Mice 1000 ppm similar to :hose seen a ith300 ppm DOR'.ANOL P .M . esidenceof upper respiratory trac ti r r i tat ion in all exposure, i nmice and high exposure in rat s

Inhalation teratology study Rats 4000 ppm Embryo/fetotoxit yand teratogenicity

400 ppm NOEL = 41M ppm s l igh tmaternal toxicit y

NOEL: No Ohsened Effect lereiNOAELNu Oh.ren ed Adrecse Ef'fecr Let el

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(Table 1 con tinued )

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Exposu reType of Study Species Level EffectsDipropyle neGlycol Monon methyl Ether Acetate (DP MA)

',. No subchronic . teratogenicity . or reproductive studies have been conducted . However, this com pound is l ikely to rapidly and completel yconvert to dipropylene glycol moaomethyl ether after absorption into the body . Thus . its systemic :oxici iy would be expected to besim i la rto dipropylene glycol monomethyl ether .Propylene Glycol n -Butyl Ether (PnB )I3-week subchrome dermal study Rabbits 2 mUkglday Skin effects at all levels :

of 57% soln . no systemic effects a t5 .7% soln . any leve l0.57% soln .

13-week subchronic dermal study Rats I ml/kg/day Minor skin effects at al l1880 mg/kg/day) levels, no systemic effect s0 .3 mlkg/day at any leve l

0 .1 mgkg/day13-week subchronic oral study Rats 1000 mg/kg Increased liver and kidne y

350 mg/kg weights at 1000 mg/kg100 mg/kg NOEL=350 mg/kg

Dermal teratology study Ra t s I rnikg/day No em bryo/fetotoxicity or0 .3 ml/kg/day teratogenicity at any leve l

Rabbits Ub mg/kg/day No embryo/fetotoxocity nr40 mg/kg/day teratogenicity at any leve l10 mg/kg/day

Dipropylene Glycol n -Butyl Ether (DPnB )13-week subchronic diet s tudy R ats 11x)0 mg/kg/day Slight effects to body weights ,clinical chemistries, and live rweight s

450 mg/kg/day C a p a c i t y c h a n g e s : t o tc o n s i d e r e d t o x i c e f f e c t s

200 mg/kg/day NOE L13-week subchronic dermal study Rats I ml/kg/day Skin effects ; effects to body

weights, food consumption .and liver weights

0 .3 .1/kg/day Effects t o body weights andfood consumptio n

0 .1 mgkg/day NOEL for system ic effec tsDermal teratology study Rats I mgkg/day Minor maternal skin effects

03 ml/kg/day at all levels ; no emhrynlfetotoxi -0.1 ml/kg/day c ity or teratogenic ity at any leve l

Propylene Glycol Monophen yl Ether (PPh )28-day subchronic dermal study Rats 1000 mg/kg No evidence of systemic toxicity

300 mg/kg (NOEL=1000 mg/kg) :100 mg/kg mild, transient dermal irritation

at all dosesEthylene Glycol Mon obutyl Ether (EB )90-day ubchronic inhalation study Ra t s 77 ppm Blood effects

25 ppm NO E L90-day subchronic dermal study Rabbits 150 mg/kg No treatment-related

50 mg/kg effects at any leve l10 mg/kg

Teratology studies Rai 310 ppm Maternal and embryo Iethala y20) ppm Maternal toxicity, embry oIIft ppm toxicity, fetotoxicit y50 ppm NOEL

R abbits 200 ppm Maternal toxicity, embryo toxicit yItx) ppm NOEL

NOEL. Nn Obsen'ed Effect LeielNOAEL. NoObse,ed Adverse Effort Lere!

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(Table I continued) F,xposur eType of Study Species Level EffectsDiethylene Glycol Mono - n-Butyl Ether (DB )9 0 -day ,ubchrintw dermal study Rats 2((X) mgikg Slight hemoglobinuri a666 mg/kg

, (9 ) mgfkg NOE Lwl-das ,ubchronlr reproduction tady R ats 2(0)0 mg/ke N . reprudu,t,, c

666 mg/kg effects at any leve l200 mg/kgDermal teratology tudy Rabbits I O(X) M e/kg NOEL for embryo msicily

and fetotoxicity90day subchronlc neurotoxicity study R ats 2000 mg/kg NOE LT ri ethylen e G lycol Mon o- n-Butyl Et her and Higher Hom ol ogs (TB H )Note: To.ricin tests described betaw hate been conducted only with triethv/ene glycolmono-mhutyl ether .3-week dctmut study Rabbits 10(0) mg/kg Skin irritation, no systemic wvctryOral developmental toxicity screen Rats I(X)0 mg/kg Na treatment-relate d150 mg/kg effect sDiethylene Glycol Monomethyl Ether (DM )90 -day suhchronie inhalation study R ats 216 ppm No treatment-relate d

104 ppm effects at any leve l30 pp mDermal teratology study R abbits 750 m g/kg Maternal toxicity . slightlyembryotoxic and fetotoxi c

250 mg/kg Slightly fetotoxi c50 mg/kg N OE L

Triethylene Glycol Monomethyl Ether and Higher Homologs (TMH )Note 1Stvirlrr rests described Mott bare been conducred on/s iuth trirthv/ene ghrof monomethcl ether90-day oral subchromc study Ras310 mg/kg NOEL for neurotortcit y

120(1 mg/kg 3000 mg/kg; NOEL for10(1 mg/kg ystemic toxicity 100 mg/I:g90-day dermal subchror is study Rats 4000mgkg NOEL 4000 mg/k g1200 mg/k g

400 mg/kgOral teratology study Ras5000mgkg Slight variations in feta

250(1 mg/kg skeletons at 1250 mg/kg .1250 mg/kg fetal NOAEL 1250 mg/k g625 me/kg

Oral teratology study R abbits 1500 mg/kg Feta l NOAEL 1500 me/k g1(X0) uie/k g500 mg/k g250 mgk g

Oral developmental neurotoxichy study Rat, 3000 mg/kg Neurotoxicity NOE L1650 mg/kg 16,50 mglkg . developmenta l} IX) m g /k g NOEL 3 00 mg/k g

Ethylene Glycol Monophenyl Ether (EPh)90-fa) whrhronc derma studs Rabbt, 500 mg/kg Minor akin effects no e, idut ti

li 150 mg/kg I (,[ystemc n ixleih at an, le , c l50 mg/ku

Dennd lerando~ystudyRahhR1 I(S)0 mg/kg Maternal death al high do,c .60)) mg,rkg Inatemai nixtcity at 600 mg/kg :(IX) mg/kg nu embnoltetomxicity e r

leratogenicits at an, Ic,c l()till reproducanstudyMce 2(X)(1 mg/kg No reproductive effect ,I(XN) mg/kg u l am leve l

SIX) ing,tk eV(lH :ki Ohsenrdt/0r1 LrteV(( ILL 7ti 1)9~erred Adreoe Eller[ ; rI ri

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'Fable 2 - Exposure Guidelines for DOWANOL Glycol Ethers and Acetates'

DOWANOI Chemical Name OSHA 'Exposure Limit ACGIH'TLVDow Interna l

Industria lHygiene Guide

P-SeriesPA t Props lone ghcol methyl ether I00 pp m

I STEL" 150 ppml1)8) ppm

(STE[- 150 pprntN E

D P .V i

TP.M

INprop .I ri fly col methyl ethe r

Terpropylene glycol monomethyl ether

I (N) ppm` (skins '-( STEL 151) ppm i

tiEI

I (NI ppmis TEL" 1 50 )pill )

NE

tV ' E

P V 1 A Propylene glycol methyl ether acetate N E N EDPNIA Dipropylene glycol monomethyl ether acetate NE NE N EPnB Propylene glycol it-butyl ether NE NE N EDP,,B Dipropylene glycol n-butyl ether NE YE N EIPnB Tipropylene glycol n-hu ty l e ther N E N E N FPP h Propylene ghcol monophenvl ether NE NE N EE-Serie sEE Ethylene giyr.,l n-butyl ether 25 ppm'(skin) 25 ppmAn,

B Diethvlene glycl n-howl ether N E N E lb pp m1 1 3 1 1 ltieth}Iene elccul mono-n-hutyI ether and higher humologs NE NE Nb.D Diethslene glccel methyl ether N E N E >it pp" )rs

l E F ' h i t Fihv ln i t le11hl ` I~o l

phctnyl t ether hyletherandhigherhomolog ; N N EE--- N ENF ]>ppmt,k,iu ~

A curate is of August 199 'Occupu tonal Satety and Health Adnuntstral kil l

'Ar,),,,, n Cnnlerenee ut floe enunental hulu,niat Hygienist sThreshold Limit V ilue the time-weighted average tTWAI to which it is believed mostcorkers may he repeatedly exposed R hours per day . 40 hours per week . without adversehealth cife dOSHA exposure limit, established Januanv 1 9 . 1989 . etleetive March I . 1989 .S TE1 = Short Term Exposure Limit. a fifteen minute time-weighted average exposurewhich should not he exceeded at any little durme a work day , even if the 8-hour rime-weighted aser ige is whhin he Threshold Limit Value

Listed suhsiances followed by the designation "skin refer to the petentcri iuninhutr1 rt u,the overall exposure by the cutaneous route including mucous membrane, arid c,therby airborne, or more particularly . by direct contact with the suhstanc e

Substances having a skin notation and a low TLV niay present a prohlem at highairborne concentrations . particularly it a s igniticant area ill the skin is exposed Iiia long period of time ,

This auentiun-calling designation is intended ut suggest appropriate tncd,UFCs tillthe prevention of cutaneous absorption so that the threshold limit is not rn,il ldua'd

"None established

NOTE : For definitions of the terminology used here. please consult the :urgent n,a~eof Threshold Limit Values and Biological Exposure Indices item AI DIl 1 .

Exposure GuidelinesAdequate ventilation should be provided whenworking with glycol ethers and acetates . Table 2lists the acceptable exposure limits for theDOWANOL glycol ethers and acetates suppliedby Dow. Since these values may be subject tochange, customers are urged to consult the mostrecent Material Safety Data Sheet for the currentguidelines .

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DOWANOLGlycol Ethers

rlilid theEt iv i'm HiIi lent

Air QualityUnder current legislation, glycol ethers are con-sidered as 100%c VOCs in calculations for alltypes of formulations .

In solvent-borne systems containing no water,VOC ca lculations can be made directly, with resultsexpressed as pounds solvent per gallon, or gramssolvent per liter . Conversions between the twosystems of measurement are provided here :

1 pound/gallon =119.87 grams/lite rTo convert from pounds per gallon to gramsper liter , multiply pounds by 119.87.To convert from grams per liter to pounds perga llon , divide grams by 119 .87 .For systems containing water, the water must besubtracted from the system before VOC contentis calculated . A formula frequently used for thispurpose by the U .S . Environmental ProtectionAgency is :

(volume fraction ( organic solventVOC organic solvent ) x density)content ~ 1 -volume fraction waterFollowing is a sample calculation using the aboveformula for a model system containing 20%DOWANOL PnB glycol ether by volume . 3 0 1 3 ' %water by volume, and 50% other ingredients byvolume . The density of DOWANOL PnB glycolether is 7.31 pounds per gallon .

Table 3 - Water Quality Data for DOW ANOL G lycol Ethers

Voc _content - 2 .0 9 lb/ga l

Water Quality

0 .2 x 7 .3I lb/galI -03

Table 3 provides water quality data forDOWANOL glycol ethers . If you would likeadditional information, or have any questionsregarding these data, phone 1-800-447-4369 .

DisposalDO NOT DUMP DOWANOL GLYCOLETHERS INTO ANY SEWERS, ON THEGROUND OR INTO ANY BODY OF WATER .For unused or uncontaminated mate ri al , the pre-ferred m a n a g e m e n t options are to send it to alicensed recycler , reclaimer, or incinerator. Thesame management options are recommended forused or contaminated material, although addi-t ional eva luat ion is required . (See for example,40CFR Part 261, "Identification and Listing ofHazardous Waste .") Any disposal practice mustbe in compliance with federal, state, provincial .and local laws and regulations . Check withappropriate agencies for your location .

For additional information concerning thedisposal of DOWANOL glycol ethers contactyour local Dow sales office, or write to The DowChemical Company, Performance Products Depart-ment , 100 Larkin Center, Midland . Michigan 48674or phone 1-800-447-4369 .

Theoretica lDOWAFOLOxygenDemand , p/p 'Glycol Ether Measured Calculated

Biodegr adation , % 1Day5Day10Day20

Bacteria lIC,, 'mg/L

FishLC, , 'mg/L

Daphnia magn aLC,, 'mg/LPM184 I95 0 22 58 > 1000 20,Nlxl F '_3,30UDPM202 22 .06 0 0 32 - > 10,000 F 1,91 9TPM2022 2 .09 0 I - 1 11,6( X ) F > 1 0 .00PM174 1 .82 20 5 7 6 2 - 161 F 40 8DPM19E 1 .94 2 28 62 151 F 1090PnB 2 .4 2 4 1 ' 59 ' 64 5 - 560--I ,0(X)G >L(NX l

- 2) 27 ' '8' 42 ' 841 G >I .oouTPnB 2 .3 2 - - - - 5 6 4 G > 1 .00 1PP 2 2 .30 3 3 7 5 2 - 280 F 370EB 330 5 57 7 2 > 1000 2 . 137 F 1 1 3 5~F nn21% 2 18 50 - 1AS1IG 1 .8511TBH o210 1) 5 24 - >500 E158-~~I eh17 1( hM{ 175176 1 )0 2 114 6623 - 9 .741 F>130fikph 22 .18 22 71 80 - 366 F 400

p/p pan nx n per pa rt chenlicalBOn it . 1 rc nta I the re ti d oxygen demand alo,ed bottle t e s tI~ c ncentr .ti to ,f 11 ' t mineral cc,ultine to 50'0 .h baron

'LC.,, -concerti ration A (e,i n ) ;I terial resulting in 50% mo rt alit yBODas percentage , 1 thcu : eiicaI CO emitted . modified Sturn test

G= euppv I P ilrt etu tktta )F lath ad rnlnnua (Pin /6ale-p nrneiaslk emerald hrer IA nrup , ~ukerinnisl

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Dow TechnicalServices :HelpingYouiMeet YourHealth andEnvirc nniental

Goals

E D u i I IBNA0270348 7

At Dow, we view technical service as a fundamental elementof our world leadership in the glycol ethers business . Meet-ing our customers' needs for after-sale support is every bi tas important to us as producing one of the highest quality,broadest lines of glycol ethers available today . By sharingthe many facets of our unmatched solvent technology withyou, we can help you get maximum performance from theDOWANOL glycol ethers you use. And that can representa vital tool in your program for health and environmentalstewardship .

With this in mind, we encourage you to take a closer lookat the many services available from Dow . To learn moreabout these services, please contact your local Dow repre-sentative .

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For AdditionalInforr ration . . .

We hope this brochure has provided answers to the questionsyou may have about the health and environmental issuesrelated to DOWANOL glycol ethers . We stand firm in ourdedication to continuous expansion of this knowledge base,and we invite your questions or comments about how wemay improve it to better meet your needs. For more informa-tion, contact your nearby Dow representative, or phone ustoll free at :

1-800 -447-4369 .

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Health and Environmental Data

DOWANOL Glycol Ethers

THEDOWCHEMCALCOMPANYMDLANDMICHIGAN 4867 4

01x11 1,011r)(1 III 11'rftin rlnx IIXMAN (;I'ti6 Ethers

4 1 F'f 0The Dow Chemical Company

Performance Products Departmen tMidland, Michigan 486741-800-447-4369

(In Canada call 1-800-363-6250 )P r i n t e d o nRecycled Pape r

NOTE: Before handling, using . or disposing of Dow productls) . please refer to the current Maternal Safety Data Sheet (MSDS) for that product .NOTICE : Dow believes the information and recommendations contained herein to be accurate and reliable as of December, 1992 However, since any assistance furnished byDow with reference to the proper use and disposal of its products is provided without charge, and since use conditions and disposal are not within its control, Dow assumes noobligation or liability for such assistance and does not guarantee results from use of such products or other information contained herein . No warranty, express or implied, is givennor is freedom from any patent owned by Dow or others to be inferred . Information contained herein concerning laws and regulations is based on U.S. federal laws and regulationsexcept where speci ic reference is made to those of other jurisdictions . Since use (conditions and governmental regulations may differfrom one location to another and may changewith lime. it is the Buyers responsibility to determine whether Dow's products are appropriate for Buyers use, and to assure Buyer's workplace and disposai practices are ~ncompliance with laws, regulations, ordinances, and other governmental enactments applicable in the jurisdiction(s) having authority over Buyer's operation s

Printed in U S A F7HCRIDGFA264SIP C 3372036 ' Trademark of The Dow Chemical Company Form No. 110-0056' -1292 AM S