sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate
sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate Basic information
- Product Name:
- sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate
- Synonyms:
-
- sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate
- Chrome Black PBG
- Mordant Black 51
- 3-[(1,5-Dihydroxy-2-naphthalenyl)azo]-4-hydroxy-5-nitro-benzene sulfonic acid monosodium salt
- C.I. Mordant Black 51
- 4-Hydroxy-3-[(1,5-dihydroxy-2-naphtyl)azo]-5-nitrobenzenesulfonic acid sodium salt
- C.I.16510
- Diamond Black SP
- CAS:
- 5979-27-1
- MF:
- C16H10N3NaO8S
- MW:
- 427.32067
- EINECS:
- 2277828
- Mol File:
- 5979-27-1.mol
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sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate Usage And Synthesis
Preparation
3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazotization, and Naphthalene-1,5-diol?coupling.
Properties and Applications
black. Soluble in water for bordeaux red, right amount soluble in ethanol for orange red brown. In concentrated sulfuric acid for purple brown, dilution for red wine. Dye aqueous solution to join concentrated hydrochloric acid for red brown; With strong caustic is purple.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 6 | 5 | 3 | 5 | 5 | 5 |
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sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate (5979-27-1)Related Product Information
- 5,8-Dihydroxy-1,4-naphthoquinone
- Mordant Black 29
- Mordant Black 3
- C.I. Mordant Black 50
- 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt
- 1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol
- SOLOCHROME BLACK F
- Mordant Black 38
- Acid alizarin black SN;Mordant black 25