ChemicalBook >> CAS DataBase List >>4-Aminoazobenzene-3,4'-disulfonic acid
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 | |||
| 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) | ![]() 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 |
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 | 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 | |
|---|---|---|---|---|---|---|---|---|
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2026-08-20 | 4-Aminoazobenzene-3,4'-disulfonic acid
101-50-8
|
$1.10 | 1g | 99.00% | 100 Tons Min | Dideu Industries Group Limited | |
![]() |
2020-02-26 | 4-Aminoazobenzene-3,4'-disulfonic acid
101-50-8
|
1KG | 99.0%+ | Shaanxi Dideu Medichem Co. Ltd |
-

- 4-Aminoazobenzene-3,4'-disulfonic acid
101-50-8
- $1.10
- 99.00%
- Dideu Industries Group Limited
-

- 4-Aminoazobenzene-3,4'-disulfonic acid
101-50-8
- 99.0%+
- Shaanxi Dideu Medichem Co. Ltd
101-50-8(4-Aminoazobenzene-3,4'-disulfonic acid)Related Search:
4-AMINOAZOBENZENE
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3,4'-DIAMINODIPHENYLMETHANE
4-Amino-benzenesulfonic acid monosodium salt
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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





