4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt
4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt Basic information
- Product Name:
- 4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt
- Synonyms:
-
- 4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt
- C.I.26310
- C.I.Acid Black 27
- 8-[(4-aminonaphthalen-1-yl)diazenyl]-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate
- Acid Black 27
- C.I.Acid Black 27:C.I.26310
- CAS:
- 6548-25-0
- MF:
- C30H19N5Na2O6S2
- MW:
- 0
- Mol File:
- 6548-25-0.mol
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4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt Usage And Synthesis
Preparation
4-Aminonaphthalene-1-sulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and Naphthalen-1-amine coupling.
Properties and Applications
brown light black. Soluble in water for deep red, slightly soluble in alcohol. The strong sulfuric acid for blue-black, diluted into a deep red. In water solution to join strong hydrochloric acid is a deep red; Add thick sodium hydroxide solution for deep red.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| AATCC | 5 | 2 | 3-4 | 2-3 | 2 | |||