Molecule structure of 3-[(4-Amino-3-methylphenyl)azo]benzenesulfonic acid (CAS NO.55994-13-3):

IUPAC Name: 3-[(4-Amino-3-methylphenyl)diazenyl]benzenesulfonic acid
Molecular Weight: 291.32562 [g/mol]
Molecular Formula: C₁₃H₁₃N₃O₃S 
Index of Refraction: 1.65
Molar Refractivity: 75.8 cm³
Molar Volume: 207.8 cm³
Surface Tension: 57.6 dyne/cm
Density: 1.4 g/cm³
XLogP3-AA: 2.1
H-Bond Donor: 2
H-Bond Acceptor: 6
Rotatable Bond Count: 3
Tautomer Count: 2
Exact Mass: 291.067762
MonoIsotopic Mass: 291.067762
Topological Polar Surface Area: 114
Heavy Atom Count: 20
Complexity: 446
Canonical SMILES: CC1=C(C=CC(=C1)N=NC2=CC(=CC=C2)S(=O)(=O)O)N
InChI: InChI=1S/C13H13N3O3S/c1-9-7-11(5-6-13(9)14)16-15-10-3-2-4-12(8-10)20(17,18)19/h2-8H,14H2,1H3,(H,17,18,19)
InChIKey: FBUUCZBKPYYEEE-UHFFFAOYSA-N
EINECS: 259-938-6
Product Categories of 3-[(4-Amino-3-methylphenyl)azo]benzenesulfonic acid (CAS NO.55994-13-3): Intermediates of Dyes and Pigments

 3-[(4-Amino-3-methylphenyl)azo]benzenesulfonic acid (CAS NO.55994-13-3) is also named as  Benzenesulfonic acid, 3-((4-amino-3-methylphenyl)azo)- ; Benzenesulfonic acid, 3-(2-(4-amino-3-methylphenyl)diazenyl)- ; m-((4-Amino-m-tolyl)azo)benzenesulphonic acid ; Benzenesulfonicacid, 3-[(4-amino-3-methylphenyl)azo]- (9CI) ; 3-[(E)-(4-Amino-3-methylphenyl)diazenyl]benzenesulfonic acid .