ChemicalBook > Product Catalog >Organic Chemistry >Diazo,azo Or azoxy Compounds >4'-Aminoazobenzene-4-sulphonic acid

4'-Aminoazobenzene-4-sulphonic acid

4'-Aminoazobenzene-4-sulphonic acid Structure
CAS No.
104-23-4
Chemical Name:
4'-Aminoazobenzene-4-sulphonic acid
Synonyms
4'PAABSA;Nsc4704;PAAB4SA;c.i.foodyellow6;4'-Aminoazobenzene-4;C.I. 13011 (Free acid);4'-Amino-4-sulfoazobenzene;4'-Sulfo-4-aminoazobenzene;4-(4-sulfophenylazo)aniline
CBNumber:
CB8331650
Molecular Formula:
C12H11N3O3S
Molecular Weight:
277.3
MOL File:
104-23-4.mol
MSDS File:
SDS
Modify Date:
2024/12/18 14:15:30

4'-Aminoazobenzene-4-sulphonic acid 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)
EPA Substance Registry System C.I. Food Yellow 6 (104-23-4)

SAFETY

Risk and Safety Statements

4'-Aminoazobenzene-4-sulphonic acid Chemical Properties,Uses,Production

Preparation

4-(Phenyldiazenyl)benzenamine?sulfonated.

General Description

4'-Aminoazobenzene-4-sulphonic acid, also known as 4-((4-aminophenyl)diazenyl)benzenesulfonic acid, is an important organic intermediate compound that can be used for the coupling of (arylamino)methanesulfonic acid and the preparation of dyes.

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4-((4-aminophenyl)azo)-benzenesulfonicaci (4-ANILINOAZO)BENZENE-4-SULFONIC ACID SODIUM SALT 4-[(4'-SULFOPHENYL)AZO]ANILINE SODIUM SALT Para amino azo benzene 4 sulphonic acid 4-(4-Amino-phenylazo)-benzenesulfonic acid anion SODIUM SALT 4-((4-aminophenyl)diazenyl)benzenesulfonic acid PARA AMINOAZOBENZENE-4-SULFONIC ACID (PAAB4SA) P-AMINOAZOBENZENE-4'-SULFONIC ACID (4-Anilinoazo) benzene-4-sulfonic acid 4'-Amino-4-sulfoazobenzene 4-Aminoazobenzene-4'-sulfonic acid p-(p-Aminophenylazo)-benzenesulfonic acid 4'-Sulfo-4-aminoazobenzene Aminoazobenzenesulfonic acid C.I. 13011 (Free acid) Nsc4704 4'-Aminoazobenzene-4 4-(4-aminophenylazo)benzenesulfonic acid Benzenesulfonic acid, 4-[(4-aminophenyl)azo]- PAABSA 4'-Aminoazobenzene-4-sulphonic acid 4-(4’-sulfophenylazo)aniline 4-(4-sulfophenylazo)aniline 4-[(4-aminophenyl)azo]-benzenesulfonicaci c.i.foodyellow6 p-((p-aminophenyl)azo)-benzenesulfonicaci p-(p-aminophenylazo)-benzenesulfonic SODIUM 4-AMINOAZOBENZENE-4'-SULFONATE P-[(P-AMINOPHENYL)AZO]BENZENESULFONIC ACID SODIUM SALT 4'-AMINO-4-SULFOAZOBENZENE SODIUM SALT 4-AMINOAZOBENZENE-4'-SULPHONIC ACID SODIUM SALT 4-AMINO AZOBENZENE-4'-SULFONIC ACID NA SALT 4-AMINOAZOBENZENE-4'-SULFONIC ACID SODIUM SALT 4-AMINOAZOBENZENE-4-SULFONIC ACID SODIUM SALT -Aminoazobenzene-4-sulphonic acid Benzenesulfonic acid, 4-[2-(4-aminophenyl)diazenyl]- 4'-Aminoazobenzene-4-sulphonic acid ISO 9001:2015 REACH C.I.Food Yellow 6:C.I.130101 P-Aminoazobenzene-4-Sulfonic acid/PAABSA 4'-Aminoazobenzene-4-sulphonic acid 104-23-4 4-((4-aminophenyl)diazenyl)benzenesulfonicaci 4' PAABSA(P-AMINO AZO BENZENE 4-SULFONIC ACID) PAAB4SA P-AMINO AZOBENZENE-4-SULPHONIC ACID 4'-aminoazobenzene-4-sulfonic acid PAABSA:Para Aminoazobenzene-4-Sulfonic Acid 104-23-4 C12H11N3O3S SULFONIC ACID Intermediates of Dyes and Pigments Organics