Benzoic acid, 2-hydroxy-5-[[4-(6-methyl-7-sulfo[2,6'-bibenzothiazol]-2'-yl)phenyl]azo]-, disodium salt
Benzoic acid, 2-hydroxy-5-[[4-(6-methyl-7-sulfo[2,6'-bibenzothiazol]-2'-yl)phenyl]azo]-, disodium salt Basic information
- Product Name:
- Benzoic acid, 2-hydroxy-5-[[4-(6-methyl-7-sulfo[2,6'-bibenzothiazol]-2'-yl)phenyl]azo]-, disodium salt
- Synonyms:
-
- Benzoic acid, 2-hydroxy-5-[[4-(6-methyl-7-sulfo[2,6'-bibenzothiazol]-2'-yl)phenyl]azo]-, disodium salt
- C.I.Direct Yellow 10:C.I.14140
- Direct Yellow 10
- CAS:
- 6408-88-4
- MF:
- C28H16N4Na2O6S3
- MW:
- 646.62438
- EINECS:
- 613-456-6
- Mol File:
- 6408-88-4.mol
More
Less
Benzoic acid, 2-hydroxy-5-[[4-(6-methyl-7-sulfo[2,6'-bibenzothiazol]-2'-yl)phenyl]azo]-, disodium salt Usage And Synthesis
Preparation
p-Methylaniline (2 Moore) and sulfur (4.5 atomic ratio) in 200 ~ 280 ℃ heat, with hair smoke from the sulphonated sulfuric acid alkali primrose spirit, its product diazo, coupled with 2-Hydroxybenzoic acid.
Properties and Applications
red light yellow. Soluble in water for golden brown, slightly soluble in alcohol. The strong sulfuric acid is palm in light orange, diluted for lemon yellow. The dye solution to join strong hydrochloric acid has golden precipitation; Add thick sodium hydroxide solution for orange brown precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3 | 2 | 4 | 2 | 2 | ||