Aluminum, 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid complex
Aluminum, 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid complex Basic information
- Product Name:
- Aluminum, 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid complex
- Synonyms:
-
- Aluminum, 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid complex
- C.I. Food Red 3:1
- Einecs 282-478-2
- Food Red 3:1
- C.I.Food Red 3:1:C.I.14720:1
- CAS:
- 84238-07-3
- MW:
- 0
- EINECS:
- 282-478-2
- Mol File:
- Mol File
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Aluminum, 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid complex Usage And Synthesis
Preparation
4-Hydroxynaphthalene-1-sulfonic acid diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid, and then into aluminum salt deposit color.
Properties and Applications
blu-ray red. Soluble in water for blu-ray red, moderate soluble in alcohol for red, slightly soluble in acetone. The strong sulfuric acid for purple, after diluted magenta precipitation; In nitric acid solution for wine, and then into a red light yellow. The dye solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for red light orange brown.