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4-Aminoazobenzene-3,4'-disulfonic acid

CAS No.
101-50-8
Chemical Name:
4-Aminoazobenzene-3,4'-disulfonic acid
Synonyms
Aminoazobenzene disulfo acid;4-amino-3,4’-disulfoazobenzene;3,4'-disulfo-4-aminoazobenzene;3,4'-Disulfo-4-aininoazobenzene;4-aminoazobenzene-3,4’-disulfonic;paraAminoazobenzene Disulfonic Acid;4-amino-azobenzene-4’-disulfonicacid;4-Aminoazobenzen-3,4-Disulfonic Acid;4-aminoazobenzene-3,4'-disulfonicaci;6-amino-3,4’-azodi-benzenesulfonicaci
CBNumber:
CB6758288
Molecular Formula:
C12H11N3O6S2
Molecular Weight:
357.36
MDL Number:
MFCD00065339
MOL File:
101-50-8.mol
MSDS File:
SDS
Last updated:2026-05-28 03:54:22
Product description Number Pack Size Price
4-Aminoazobenzene-3,4′-disulfonic acid 97% AA01EAWB 1g $675
4-Aminoazobenzene-3,4'-disulfonicacid FA149097 5G $78
4-Aminoazobenzene-3,4'-disulfonicacid FA149097 10g $136
4-Aminoazobenzene-3,4'-disulfonicacid 3492CA 5g $155
4-Aminoazobenzene-3,4'-disulfonicacid FA149097 25g $271
More product size

4-Aminoazobenzene-3,4'-disulfonic acid Properties

Boiling point 611.61℃[at 101 325 Pa]
Density 1.5733 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.6390 (estimate)
pka -1.13±0.50(Predicted)
Water Solubility 1000g/L at 25℃
LogP -0.91 at 25℃
CAS DataBase Reference 101-50-8(CAS DataBase Reference)
FDA UNII 2ZQE5CCH2H
EPA Substance Registry System Benzenesulfonic acid, 2-amino-5-[(4-sulfophenyl)azo]- (101-50-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H319
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P
TSCA  TSCA listed
REACH Registrations Active

4-Aminoazobenzene-3,4'-disulfonic acid price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA01EAWB 4-Aminoazobenzene-3,4′-disulfonic acid 97% 101-50-8 1g $675 2026-05-30 Buy
Biosynth FA149097 4-Aminoazobenzene-3,4'-disulfonicacid 101-50-8 5G $78 2021-12-16 Buy
Biosynth FA149097 4-Aminoazobenzene-3,4'-disulfonicacid 101-50-8 10g $136 2021-12-16 Buy
AK Scientific 3492CA 4-Aminoazobenzene-3,4'-disulfonicacid 101-50-8 5g $155 2021-12-16 Buy
Biosynth FA149097 4-Aminoazobenzene-3,4'-disulfonicacid 101-50-8 25g $271 2021-12-16 Buy
Product number Packaging Price Buy
AA01EAWB 1g $675 Buy
FA149097 5G $78 Buy
FA149097 10g $136 Buy
3492CA 5g $155 Buy
FA149097 25g $271 Buy

4-Aminoazobenzene-3,4'-disulfonic acid Chemical Properties,Uses,Production

Uses

4-Aminoazobenzene-3,4''-disulfonic Acid is used in the synthesis of novel acid dyes with a coumarin moiety.

Definition

ChEBI: A member of the class of azobenzenes that is azobenzene in which one of the phenyl groups is substituted at the para position by a sulfo group, while the other is substituted at a meta position by a sulfo group and at the pa a position by an amino group. The disodium salt is the biological stain 'fast yellow'.

Flammability and Explosibility

Non flammable

4-Aminoazobenzene-3,4'-disulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 66)Suppliers
Supplier Tel Email Country ProdList Advantage
CONIER CHEM AND PHARMA LIMITED
sales@conier.com China 49906 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +86-189 4982 3763 sales@tnjchem.com China 34526 58
Dideu Industries Group Limited
+8617392712697 1022@dideu.com China 29094 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 17705817739 info@dycnchem.com China 52693 58
Alfa Chemistry
+1-5166625404; Info@alfa-chemistry.com United States 20000 58
GIHI CHEMICALS CO.,LIMITED
+86-571-86217390; +8618058761490 info@gihichemicals.com China 49859 58
HANGZHOU LEAP CHEM CO., LTD.
+86-571-87711850 +86-15355479329 market18@leapchem.com China 43303 58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.
+8618950047208 ellena@amitychem.com China 43392 58
Mainchem Co., Ltd. +86-0592-6210733 sale@mainchem.com China 32288 55
Zaozhuang Benefit Chemical Co., Ltd. 0531-69958783 15508681609 1948129184@qq.com China 208 60

View Lastest Price from 4-Aminoazobenzene-3,4'-disulfonic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Aminoazobenzene-3,4'-disulfonic acid  pictures 2026-08-20 4-Aminoazobenzene-3,4'-disulfonic acid
101-50-8
$1.10 1g 99.00% 100 Tons Min Dideu Industries Group Limited
4-Aminoazobenzene-3,4'-disulfonic acid  pictures 2020-02-26 4-Aminoazobenzene-3,4'-disulfonic acid
101-50-8
1KG 99.0%+ Shaanxi Dideu Medichem Co. Ltd
PARA AMINO AZOBENZENE 3,4 DISULFONIC ACID P-AMINOAZOBENZENE-3,4'-DISULFONIC ACID 2-amino-5-((4-sulfophenyl)azo)-benzenesulfonicaci 2-amino-5-[(4-sulfophenyl)azo]-benzenesulfonicaci 4-(4-amino-3-sulfophenylazo)-benzenesulfonicaci 2-amino-5-(4-sulfophenyl)diazenylbenzenesulfonic acid 2-azanyl-5-(4-sulfophenyl)diazenyl-benzenesulfonic acid 4-amino-3,4’-disulfoazobenzene 4-aminoazobenzene-3,4’-disulfonic 4-amino-azobenzene-4’-disulfonicacid 6-amino-3,4’-azodi-benzenesulfonicaci kyselina4-aminoazobenzen-3,4’-disulfonova 4-AMINO AZOBENZENE 3,4 DISULFONIC ACID 4-AMINOAZOBENZENE-3,4-DISULPHONIC ACID 4-[(4-amino-3-sulfophenyl)azo]benzenesulfonic acid 3,4'-disulfo-4-aminoazobenzene paraAminoazobenzene Disulfonic Acid 4-Aminoazobenzen-3,4-Disulfonic Acid 2-Amino-5-(p-sulfophenylazo) benzenesulfonic acid Aminoazobenzene disulfo acid 2-amino-5-[(4-sulfophenyl)azo]-benzenesulfonic acid P-AMINOAZOBENZENE-3,4'-DISULPHONICACID Benzenesulfonic acid, 2-amino-5-[2-(4-sulfophenyl)diazenyl]- 4-aminoazobenzene-3,4'-disulfonicaci 4-Aminoazobenzene-3,4'-disulfonic acid ISO 9001:2015 REACH Para Aminoazobenzene-3,4’-disulphonic acid 4-Aminoazobenzene-3,4'-disulfonic acid 4-aminoazobenzene-3,4'-disulphonic acid 3,4'-Disulfo-4-aininoazobenzene 101-50-8 C12H11N3O6S2 C12H11O6N3S2 Intermediates of Dyes and Pigments