7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt
7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt Basic information
- Product Name:
- 7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt
- Synonyms:
-
- 7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt
- C.I.16050
- C.I.Acid Red 25
- disodium,(8Z)-7-oxo-8-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-1-sulfonate
- Acid Red 25
- C.I.Acid Red 25:C.I.16050
- CAS:
- 5858-93-5
- MW:
- 0
- Mol File:
- 5858-93-5.mol
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Safety Information
- Hazardous Substances Data
- 5858-93-5(Hazardous Substances Data)
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7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt Usage And Synthesis
Preparation
4-Aminonaphthalene-1-sulfonic acid diazo, and 7-Hydroxynaphthalene-1-sulfonic acid?coupling.
Properties and Applications
red. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid to red light purple, diluted in red. In aqueous solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for yellow brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3-4 | 2 | 1 | 2 | ||||
| AATCC | 3 | 1 | 1 | 1 | ||||