COOMASSIE FAST BLACK G
COOMASSIE FAST BLACK G Basic information
- Product Name:
- COOMASSIE FAST BLACK G
- Synonyms:
-
- disodium 5-[[4-[(5-sulphonato-1-naphthyl)azo]-1-naphthyl]azo]-8-(p-tolylamino)naphthalene-1-sulphonate
- Acid black 21 (C.I. 26405)
- 4-[(4-Methylphenyl)amino]-4'-[(5-sodiosulfo-1-naphthalenyl)azo][1,1'-azobisnaphthalene]-5-sulfonic acid sodium salt
- C.I.26405
- COOMASSIE FAST BLACK G
- disodium,8-(4-methylanilino)-5-[[4-[(5-sulfonatonaphthalen-1-yl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonate
- Acid Black 21
- C.I.Acid Black 21:C.I.26405
- CAS:
- 10142-78-6
- MF:
- C37H25N5Na2O6S2
- MW:
- 745.73
- EINECS:
- 2334042
- Mol File:
- 10142-78-6.mol
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COOMASSIE FAST BLACK G Chemical Properties
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COOMASSIE FAST BLACK G Usage And Synthesis
Preparation
5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-(P-toluidino)naphthalene-1-sulfonic acid coupling.
Properties and Applications
black. Soluble in water for dark purple, soluble in ethanol for red light blue. The strong sulfuric acid for blue-ray black, diluted green for blue-ray. The dye solution to join strong hydrochloric acid for turquoise blue; Add thick sodium hydroxide solution have sauce red precipitate. Suitable for the wool dyeing and printing, also suitable for leather shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 5 | 4 | 4-5 | 4 | 3-4 | 4-5 | 4-5 |
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COOMASSIE FAST BLACK G(10142-78-6)Related Product Information
- C.I. Acid Black 194
- Acid Black 207
- Acid Black 188
- Acid Black 186
- Acid Black 181
- 8-Anilino-1-naphthalenesulfonic acid ammonium salt
- 4-PHENYLAZO-1-NAPHTHYLAMINE
- DISPERSE BLACK 1
- N-Phenyl-1-naphthylamine
- 8-Anilino-1-naphthalenesulfonic acid
- 5-Amino-1-naphthalenesulfonic acid
- ANS-NA
- ACID BLACK 24
- 8-ANILINO-1-NAPHTHALENESULFONIC ACID AMMONIUM SALT HYDRATE, 97
- 4-(PHENYLAZO)DIPHENYLAMINE
- COOMASSIE FAST BLACK G
- 1-(P-TOLUIDINO)NAPHTHALENE
- sodium 8-anilino-5-[[4-(phenylazo)-1-naphthyl]azo]naphthalene-1-sulphonate