LeeskiSleightholmJophusGianchino

WhatwasHomerSimpsonresponsewhenhisbosspagedhimatworkandasked,“Howdoyougetyourpantssoblue?”

http://www.democraticunderground.com/discuss/duboard.php?az=view_all&address=105x7646766

http://www.gregpalast.com/the‐mccain‐plan‐homer‐simpson‐without‐the‐donut/

“Indi‐DOHHHH”

History

• 1600BC–older(andcooler)thanallyourdyes!• Biblicalreference–VirginMaryworeit.

• SumptuaryLawsinEngland–firstknownfashionlaws.

• Royalty,Nobility,ormembersofCouncil

• 1880“TheDevil’sFood”

http://www.elizabethan‐era.org.uk/color‐indigo.htm

λmax=?????λmax=602nm(orange)

http://en.wikipedia.org/wiki/Indigo_dye

SOLUBLEINSOLUBLE

• IndigoCarmineisoxidizedby

superoxideintotwoisatinsulfonic

acidmolecules.

http://www.jbc.org/content/279/18/18521.full

“Youain’tcoolunlessyoupeeyourpants”

http://bestkidsmovies.blogspot.com/2010_10_01_archive.html

Foodcoloring‐BluedyeNo.2

http://www.scientificamerican.com/article.cfm?id=where‐does‐blue‐food‐dye

Indigo trisulfonate

Indigo carmine

Indigo tetrasulfonate

  3,3'‐dioxo‐2,2'‐bis‐indolyden‐5,5'‐disulfonicacid

disodiumsalt

  sodiumindigotindisulfonate

 C.I.AcidBlue74,C.I.FoodBlue1,FD&CBlue2,E132

IndigoCarmine(Oxidized)

Leuco‐IndigoCarmine(Reduced)

http://faculty.missouri.edu/~glaserr/RG_T_SP11.html