2,7-Naphthalenedisulfonic acid, 4-[(1-amino-5-hydroxynaphthalenyl)azo]-5-hydroxy-, disodium salt
2,7-Naphthalenedisulfonic acid, 4-[(1-amino-5-hydroxynaphthalenyl)azo]-5-hydroxy-, disodium salt Basic information
- Product Name:
- 2,7-Naphthalenedisulfonic acid, 4-[(1-amino-5-hydroxynaphthalenyl)azo]-5-hydroxy-, disodium salt
- Synonyms:
-
- 2,7-Naphthalenedisulfonic acid, 4-[(1-amino-5-hydroxynaphthalenyl)azo]-5-hydroxy-, disodium salt
- Acid Blue 70
- C.I.Acid Blue 70:C.I.17000
- CAS:
- 1323-94-0
- MF:
- C20H13N3Na2O8S2
- MW:
- 533.44206
- EINECS:
- 603-579-3
- Mol File:
- 1323-94-0.mol
More
Less
2,7-Naphthalenedisulfonic acid, 4-[(1-amino-5-hydroxynaphthalenyl)azo]-5-hydroxy-, disodium salt Usage And Synthesis
Preparation
4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?diazo, and 5-Aminonaphthalen-1-ol?in acetic acid medium coupling.
Properties and Applications
green light blue. Soluble in water for purple. The strong sulfuric acid in blue, diluted began to change color, and then into a purple. In water solution to join hydrochloric acid colour and lustre is basic unchanged; Add thick sodium hydroxide solution for orange.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 3 | 2 | 2 | 3 | |||
More
Less
2,7-Naphthalenedisulfonic acid, 4-[(1-amino-5-hydroxynaphthalenyl)azo]-5-hydroxy-, disodium salt(1323-94-0)Related Product Information
- 4-Amino-3-[(4-amino-2-nitrophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt
- ACID BLUE 59
- C.I. Acid Blue 68
- ACID BLUE 62
- Indigo Carmine
- ERIOCYANINE A
- 9-[(4-Amino-2-sodiosulfophenyl)amino]-11-methyl-7-phenyl-5-phenylamino-4-sulfonatobenzo[a]phenazin-7-ium
- disodium 4,5-diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxoanthracene-2,7-disulphonate
- ALPHAZURINE A