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4'-Aminoazobenzene-4-sulphonic acid Structure

4'-Aminoazobenzene-4-sulphonic acid

Chemical Properties

Boiling point 477.42℃[at 101 325 Pa]
Density  1.3764 (rough estimate)
vapor pressure  0-0Pa at 25℃
refractive index  1.6630 (estimate)
solubility  345.945mg/L in organic solvents at 20 ℃
pka -1.10±0.50(Predicted)
Water Solubility  513-1320mg/L at 37℃
InChI InChI=1S/C12H11N3O3S/c13-9-1-3-10(4-2-9)14-15-11-5-7-12(8-6-11)19(16,17)18/h1-8H,13H2,(H,16,17,18)
InChIKey PPVRMPPLECDING-UHFFFAOYSA-N
SMILES C1(S(O)(=O)=O)=CC=C(N=NC2=CC=C(N)C=C2)C=C1
LogP -0.352 at 37℃
CAS DataBase Reference 104-23-4(CAS DataBase Reference)
FDA UNII G5U4TU950K
EPA Substance Registry System C.I. Food Yellow 6 (104-23-4)

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