forensic investigation 1227_appe

7/30/2019 Forensic investigation 1227_AppE

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2004 by CRC Press LLC

Appendix E:Chemical Hazards


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Chemical

Hazards(NFPA Rating:

H/F/R)Flash Point

(F)Explosive Limit(Lower/Upper)

Acetaldehyde 3/4/2 6 4%/60% Strong oxidizers, acidketones, HCN, H2S formation of peroxiundergoes polymeri

Acetic acid 3/2/0 104 4%/19.9% Metals; acetic anhydrtrifluoride; nitric acsodium peroxide; hyammonia, ammoniuhydroxide, sodium oleum; chromium trpentafluoride; perchbutoxide; calcium sarubbers, and coatingtrichloride; chromic

methyl carbinol + oAcetic anhydride 3/2/1 NA 2.9%/10.3% Strong oxidizing agen

powders, moisture

Acetone 1/3/0 4 2.5%/12.8% Strong oxidizing agenchromyl chloride, hchloroform + alkali

Acetonitrile 2/3/0 4 4.4%/16% Oxidizing agents; rednitric acid; perchlordinitrogen tetraoxidof plastics, rubbers,

compounds (e.g., pperchlorates; iron (Itrichlorosilane; diph

Allylbenzene NA 177 NA/NA NA


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Allylchloride 2/3/1 30 2.9%/11.1% Explosion hazard when exreaction with alkyl alumi(e.g., benzene or toluenereaction with Lewis acidsand sulfuric acid); incomchlorosulfonic acid, oleu

Aluminum chloride 3/0/2 NA NA/NA Water; organic materials;water, producing hydroc

Ammonia gas 3/1/0 NA 15%/28% Strong oxidizers, acids, haCorrosive to copper and

4 Allyl 1,2methylenedioxybenzene

NA NA NA/NA NA

Ammonium chloride 2/0/0 NA NA/NA Acids, alkalis, and their aslead and silver salts to forwith ammonium compotrifluoride, hydrogen cyapotassium chlorate

Ammonium formate 2/0/0 NA NA/NA Strong oxidizing agents

Ammonium hydroxide 3/1/0 NA 16%/27% Acrolein; acrylic acid; chlogold + aqua regia; hydroacid; oleum; propiolactonsilver oxide + ethyl alcohsulfuric acid; halogens; fometals and halide salts

Aniline 3/2/0 158 1.3%/11% Strong acids and strong oaluminum, toluene diisothe presence of red fumi

Benzaldehyde 2/2/0 NA 1.4%/8.5% Performic acid and otherafter mixing sodium hydcarbonate, and benzaldeh

Benzene 2/3/0 12 1.2%/7.8% Strong oxidizers, many fl


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Chemical


H/F/R)Flash Point


Benzyl chloride 3/2/2 153 1.1%/14% Oxidizers, acids, coppCan polymerize wheand lead; hydrolyze

Benzyl cyanide 2/1/0 223 NA/NA Strong acids, strong agents, sodium hyp

Bromobenzene 2/2/0 NA 0.5%/2.5% Bromobutane + sodi

Bromoethane 3/1/0 NA 10%/16% Risk of fire and explomagnesium

Carbon dioxide NA NA NA/NA Dusts of various metaluminum, chromiuwhen suspended in

Carbontetrachloride 3/0/0 NA NA/NA Aluminum, bromineformamide, ethylenpotassium-tert-butochlorine trifluoride,

Chloro-2-propanone 3/2/0 102 NA/NA Strong acids, strong agents

Copper sulfate 2/0/0 NA NA/NA Moisture, air, steel, fmagnesium, hydraz

Copper oxide 2/0/0 NA NA/NA Aluminum, boron, cphospham, potassiu

and zirconium; formsolutions; exposure combustion

Cyclohexanone 1/2/0 111 1.1%/9.4% Oxidizing agents, strsulfuric acid, alipha


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Dichloroethane 2/4/2 >233 13%/23% Strong oxidizing agents, lisodium, caustics (e.g., amhydroxide, potassium hybutoxide, sodium potassiu(such as potassium and mnitososurea + potassium

Ephedrine 1/0/0 NA NA/NA Oxidizing agents, direct li

Ethyl acetate 1/3/0 24 2.0%/9.0% Chlorosulfonic acid, lithiuchloromethylfuran, lithiubutoxide; substance comacids/oxidizers/alkalis ma

Formamide 2/1/0 310 2.7%/19% Strong oxidizing agents, a

Formic acid 3/2/0 >233 18%/57% Strong oxidizing agents, spermanganates, sulfuric furfuryl alcohol, hydrate

Hydrobromic acid (HBr) 3/0/0 NA NA/NA Strong oxidizers, strong cHydrobromic acid is hig

Hydrochloric acid (HCl) 3/0/0 NA NA/NA Hydroxides, amines, alkalacid is highly corrosive t

Hydrogen 0/4/0 Gas 4%/75% Oxidizing agents, some m

Hydrogen peroxide 4/0/1 NA 40%/100% Strong oxidizing agents, stroalcohols, brass, copper, copiron, hydrazine, iron, magpotassium permanganate, cyanide), ethers [e.g., dioxchlorosulfonic acid, alkalissilver, nickel, palladium, orplatinum, formic acid, cycalcohol, hydrogen selenideketones, carboxylic acids, gpyrophosphate, soluble fuhexavalent chromium comvanadium, tungsten, molycombustible material may


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Chemical


H/F/R)Flash Point


Hydriodic acid (HI) 3/0/0 NA NA/NA Explodes on contact wimagnesium, perchlori

heat, and oxidants; viopotentially violent rea

Hydroxylamine HCl 2/0/3 305 NA/NA Strong oxidizing agentscompounds, copper su

Iodine NA NA NA/NA Incompatible with ammreducing agents; reactiand acetylene; reacts wsensitive iodides on dr

Isosafrole 1/1/0 120 NA/NA Oxidizing agents

Lithium 3/2/2 NA NA/NA Moisture, acids, oxidize

Lithium aluminumhydroxide

3/0/2 NA NA/NA Water

Magnesium turnings 0/1/1 NA NA/NA Oxygen, moisture, chlooxidizing agents, sulfumetal oxide salts, fluor

Manganous carbonate 1/0/1 NA NA/NA Contact with acids maysulfur dioxide to the mdecomposition of hyd

Manganous chloride 1/0/1 NA NA/NA Strong reducing agentszinc

Mercuric chloride 4/0/1 NA NA/NA Reacts violently with pocompounds: formatesgelatin, carbonates, hylime water, antimony copper, iron, lead, tan


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Mercury 3/0/0 NA NA/NA Acetylenes, ammonia, ethyleoxides, methyl silane, lithiumetal carbonyls

Methanol 3/3/1 54 6%/36% Strong oxidizing agents suchwill attack some forms of plametallic aluminum and gen

Methylamine 3/3/0 39 4.9%/20.8% Nitromethane, acids, oxidizihalogenated agents, mercuraluminum, perchlorates

Methylformamide 1/1/0 NA NA/NA Strong oxidizing agents, acid

Nitroethane 1/3/3 82 3.4%/NA Amines; strong acids, alkalicombustibles; metal oxides

Norpseudoephedrine 1/0/0 NA NA/NA Oxidizing agents, direct ligh

Palladium sulfate NA NA NA/NA Strong oxidizing agents; pro

Perchloric acid 3/0/3 102 NA/NA Incompatible with numeroumaterials, organic chemical

oxidizing agents; reacts violeacetic acid, charcoal, olefinsuse perchloric acid in a hoo

Phenylacetic acid 2/0/0 168 NA/NA NA

Phenylmagnesiumbromide

NA NA NA/NA Water

Phenylacetone NA NA NA/NA NA

Phosphorus (red) 0/2/2 NA NA/NA Halogens, halides, sulfur, oxphosphine)

Phosphorus

pentachloride

3/0/2 NA NA/NA Reacts violently with water;

potassium acidsPiperonal 1/0/0 NA NA/NA Strong oxidizing agents

Piperidine 3/3/0 NA NA/NA Acids, acid chlorides, acid anagents, dicyanofurazan, N-


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Chemical


H/F/R)Flash Point


Platinum NA NA NA/NA Aluminum, acetone, arlithium, phosphorus,

Platinum chloride NA 1076 NA/NA Strong oxidizing agents

Platinum oxide 2/0/0 NA NA/NA Oxidizing agents

Potassium carbonate 2/0/1 NA NA/NA Acids, chlorine trifluormixing sodium hydrosand benzaldehyde

Potassium cyanide 4/0/0 NA NA/NA Violent reactions can onitrates, and peroxide

and flammable hydroga reaction with carbonprolonged contact wit

Potassium hydroxide 3/0/2 NA NA/NA Contact with water, acicompounds, especiallycontact with nitromethformation of shock-sealuminum, tin, and zin

Pumice NA NA NA/NA NA

Pyridine 2/3/0 68 1.8%/12.4% Strong oxidizers, stron

Raney nickel NA NA NA/NA NASodium 3/3/3 NA NA/NA Water, oxygen, carbon

acetylene, metal halideacids, alcohols, chlorinsubstances


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Sodium acetate 3/0/1 NA NA/NA Nitric acid, fluoride, pota

Sodium bisulfate IRR NA NA/NA Strong bases, strong oxidi

Sodium hydroxide 3/0/2 NA NA/NA Metals, acids, nitro compdibromoethane, hexachlotrichloroethylene), nitrom

Sodium sulfate 1/0/0 NA NA/NA Strong oxidizing agents, a

lead, calcium, silver, bariSulfuric acid 3/0/3 NA NA/NA Water, potassium chlorate

permanganate, sodium, lmetal acetylides, oxides astrong oxidizing and redsubstances

Thionyl chloride 4/0/2 NA NA/NA Water, ammonia, chloryl quinoline, sodium, 2,4-hand o-nitrophenylacetic

Thorium nitrate NA NA NA/NA Strong oxidizers


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Key to NFPA ratings

Health (H) Hazard

The Left Quadrant(Blue)

Fire (F) Hazard

The Top Quadrant(Red)

Reactivity (R) Hazard

The RightQuadrant (Yellow)

Important Messages

The BottomQuadrant (White)

4. DANGER: May befatal on shortexposure.Specializedprotectiveequipment required.

4. DANGER:Flammable gas orextremely flammableliquid.

4. DANGER:Explosive material atroom temperature.

W Avoid use ofwater

COR CorrosiveLAS Laserelectrical hazard

AZK AlkaliACID AcidOXY Oxidizing

chemicalsRED Dangerousreducingagent/metal hydride

3. WARNING:Corrosive or toxic.

Avoid skin contact orinhalation.

3. WARNING:Flammable liquid.

Flash point below100F.

3. DANGER: May beexplosive if shocked,

heated underconfinement, ormixed with water.

2. WARNING: May beharmful if inhaled orabsorbed.

2. CAUTION:Combustible liquid.Flash point of 100 to200F.

2. WARNING:Unstable, or mayreact if heated or ifmixed with water.

1. CAUTION: Maycause irritation.

1. Combustible ifheated.

1. CAUTION: Mayreact if heated ormixed with water.

0. No unusual hazard. 0. Not combustible. 0. Stable. Not reactive

when mixed withwater.

forensic investigation 1227_appe

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