Acid Black 242
- Product Name
- Acid Black 242
- Chemical Name
- Acid Black 242
- Synonyms
- Black NB-GB;Acid Black 242;C.I.Acid Black 242:C.I.30028
- CBNumber
- CB2968564
- Formula Weight
- 0
- MOL File
- Mol file
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Acid Black 242 Chemical Properties,Usage,Production
Preparation
4-Amino-N-(4-aminophenyl)benzenesulfonamide double nitriding.sulfonylurea aniline, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, 4-Nitrobenzenamine diazo, in acid conditions and the above the products of coupling, and Benzene-1,3-diamine coupled.
Properties and Applications
black. Mainly used for Fur shading.
| Standard | Light Fastness(Xenon lamp) | Soaping | Persperation Fastness(Alkali) | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 4 | 2 | |||||
Acid Black 242 Preparation Products And Raw materials
Raw materials
Preparation Products
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4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt
disodium (3Z)-3-[[4-(4-anilino-3-sulfonato-phenyl)diazenylnaphthalen-1-yl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonate
Acid Black 241