Basic information Safety Supplier Related

O-TOLUIDINE DISULFONIC ACID

Basic information Safety Supplier Related

O-TOLUIDINE DISULFONIC ACID Basic information

Product Name:
O-TOLUIDINE DISULFONIC ACID
Synonyms:
  • 1’-biphenyl]-2,2’-disulfonicacid,4,4’-diamino-5,5’-dimethyl-[
  • O-TOLUIDINE DISULFONIC ACID
  • 4,4'-diamino-5,5'-dimethylbiphenyl-2,2'-disulphonic acid
  • 5-amino-2-(4-amino-5-methyl-2-sulfophenyl)-4-methylbenzenesulfonic acid
  • Orthotoludine66`disulfonicAcid
  • NSC 37128
  • o-Tolidine-6,6''-disulfonic acid
  • 4,4'-Diamino-3,3'-dimethylbiphenyl-6,6'-disulfonic acid
CAS:
83-83-0
MF:
C14H16N2O6S2
MW:
372.42
EINECS:
201-505-0
Mol File:
83-83-0.mol
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O-TOLUIDINE DISULFONIC ACID Chemical Properties

Density 
1.568±0.06 g/cm3(Predicted)
pka
-1.68±0.50(Predicted)
EPA Substance Registry System
[1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-diamino-5,5'-dimethyl- (83-83-0)
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O-TOLUIDINE DISULFONIC ACID Usage And Synthesis

Chemical Properties

O- toluidine disulfonic acid is crystallize from water in needles. One hundred grams of the aqueous solution at 18 ℃ contains 0.226 g of the anhydrous acid. The substance is insoluble in alcohol, ether, and glacial acetic acid. o-Tolidine-6,6' -disulfonic acid is produced from 2-nitrotoluene-4-sulfonic acid by reduction with zinc and sodium hydroxide solution and subsequent rearrangement. o-Tolidine-6,6' -disulfonic acid is used to make yellow dyes for wool.

O-TOLUIDINE DISULFONIC ACIDSupplier

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