Acid Black 234
Acid Black 234 Basic information
- Product Name:
- Acid Black 234
- Synonyms:
-
- 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
- CAS:
- 157577-99-6
- MF:
- C34H29N10NaO9S3
- MW:
- 840.84
- EINECS:
- 605-104-5
- Mol File:
- 157577-99-6.mol
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Acid Black 234 Chemical Properties
- 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)
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Acid Black 234 Usage And Synthesis
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
Acid Black 234Supplier
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