ChemicalBook >> CAS DataBase List >>Acid Black 234
Acid Black 234
- CAS No.
- 157577-99-6
- Chemical Name:
- Acid Black 234
- Synonyms
- Black NB;C.I. 30027;Acid Black BA;Acid Black NBG;Acid Black 234;Acid Black NB-G;Dynacid Black 2N;Lecotan Black GW;Kemacid Black NBG;Victalan Black UX.
- CBNumber:
- CB1875045
- Molecular Formula:
- C34H29N10NaO9S3
- Molecular Weight:
- 840.84
- MDL Number:
- MFCD01631183
- MOL File:
- 157577-99-6.mol
- MSDS File:
- SDS
Last updated:2026-08-28 09:47:31
| Density | 1.193[at 20℃] |
|---|---|
| vapor pressure | 0Pa at 25℃ |
| pka | 7.62[at 20 ℃] |
| Water Solubility | 215g/L at 20℃ |
| LogP | -1.86 at 20℃ |
| CAS DataBase Reference | 157577-99-6(CAS DataBase Reference) |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]sulfonyl]amino]phenyl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt (157577-99-6) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H412-H318-H319 |
| Precautionary statements | P273-P501-P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P280-P305+P351+P338-P310 |
| TSCA | TSCA listed |
| REACH Registrations | Active |
Acid Black 234 price
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| aablocks | AA01DNQA | 2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]sulfonyl]amino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2) | 157577-99-6 | 100mg | $164 | 2026-05-29 | Buy |
| aablocks | AA01DNQA | 2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]sulfonyl]amino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2) | 157577-99-6 | 1g | $497 | 2026-05-29 | Buy |
| American Custom Chemicals Corporation | DYE0002101 | ACID BLACK 234 95.00% | 157577-99-6 | 5MG | $501.94 | 2021-12-16 | Buy |
Acid Black 234 Chemical Properties, Uses, Production
Uses
Acid Black 234 is mainly used for dyeing wool, silk, cotton, and viscose, and can also be used for leather coloring.
Preparation
4-Amino-N-(4-aminophenyl)benzenesulfonamide double nitriding,sulfonylurea aniline in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, aniline diazo, and the above the products in alkaline conditions coupling, and then Benzene-1,3-diamine coupled.
Flammability and Explosibility
Non flammable
Properties and Applications
black. Mainly used for wool, silk, cotton and glue dyeing, also can be used for leather dyeing.
Acid Black 234 Preparation Products And Raw materials
Raw materials
1of2
Preparation Products
Global Suppliers ( 88)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai JONLN Reagent Co., Ltd. | 400-0066400 13621662912 | 422131432@qq.com | China | 9970 | 55 |
| Hubei Jusheng Technology Co.,Ltd | 027-59599241 18871490274 | 1400878000@qq.com | China | 9506 | 58 |
| Chizhou Kailong Import and Export Trade Co., Ltd. | xg01_gj@163.com | China | 9413 | 50 | |
| Alfa Chemistry | 1-516-6625404 | support@alfa-chemistry.com | United States | 9170 | 60 |
| Shanghai Orgchem Co.,Ltd. | +86-21-5877 1921 | info@chemofchina.com | China | 9630 | 55 |
| Wuhan Netcom Electronic Commerce Limited | 18064670521 | 2355935187@ycphar.com | China | 4870 | 58 |
| Zhengzhou Acme Chemical Co., Ltd. | 037163312495 13303845143 | 1416159398@qq.com | China | 10150 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418684 +86-18949823763 | sales@tnjchem.com | China | 25333 | 58 |
| Dideu Industries Group Limited | +8617392712697 | 1022@dideu.com | China | 29089 | 58 |
| AFINE CHEMICALS LIMITED | +86-571-85134551 +86-18958018566 | info@afinechem.com | China | 15030 | 58 |
View Latest Price from Acid Black 234 manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2022-10-28 | Acid Black 234
157577-99-6
|
$3.00 | 25kg | 99% | 20 tons | TIANJIN XIANGRUI DYESTUFF CO.,LTD | |
 |
2019-07-06 | Acid Black 234
157577-99-6
|
$2.00 | 1kg | 99% | 100kg | Career Henan Chemical Co |
-
- Acid Black 234
157577-99-6
- $3.00
- 99%
- TIANJIN XIANGRUI DYESTUFF CO.,LTD
-
- Acid Black 234
157577-99-6
- $2.00
- 99%
- Career Henan Chemical Co
157577-99-6 (Acid Black 234) Related Search:
1of4
2, 7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[4-[(2, 4-diaminophenyl)azo]phenyl]sulfonyl]amino]phenyl]azo]-5-hydroxy-6-(phenylazo), disodium salt
Acid Black BA
Acid Black NBG
Acid Black NB-G
Apollo Leather Black NGRL
C.I.Acid Black 234
Coriamine Black NB-G
Dynacid Black 2N
Kemacid Black NBG
Lecotan Black GW
Victalan Black UX.
2,7-Naphthalenedisulfonicacid,4-aMino-3-[2-[4-[[[4-[2-(2,4-diaMinophenyl)diazenyl]phenyl]sulfonyl]aMino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodiuM salt (1:2)
4-Amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]sulfonyl]amino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic acid sodium salt
Acid Black 234
C.I. 30027
Black NB
sodium,(6Z)-4-amino-3-[[4-[[4-[(2,4-diaminophenyl)diazenyl]phenyl]sulfonylamino]phenyl]diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
Acid Black 234 ISO 9001：2015 REACH
C.I.Acid Black 234:C.I.30027
Disodium 4-amino-3-[{4-[({4-[(2,4-diaminophenyl)diazenyl]phenyl}sulfonyl)amino]phenyl}diazenyl]-5-hydroxy-6-[phenyldiazenyl]naphthalene-2,7-disulfonate
Acid Black 234, Technical grade
157577-99-6
C34H26N10Na2O9S3
C34H26N10O9S32Na
