Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt
Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt Basic information
- Product Name:
- Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt
- Synonyms:
-
- Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt
- C.I.Direct Yellow 25:C.I.21510
- Direct Yellow 25
- CAS:
- 6441-67-4
- MF:
- C19H17N10NaO7S
- MW:
- 552.45585
- EINECS:
- 613-588-4
- Mol File:
- 6441-67-4.mol
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Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt Usage And Synthesis
Preparation
3,5-Diamino-4-methylbenzenesulfonic acid double nitriding,and 4-Nitrobenzene-1,3-diamine (2 Moore) coupled.
Properties and Applications
red light yellow. Soluble in water for yellow light brown. The strong sulfuric acid for brown, after diluted brown precipitation. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add sodium hydroxide have soluble brown precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 4 | 1 | 2 | 2 | ||
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Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt(6441-67-4)Related Product Information
- Direct Yellow 19
- Direct Yellow 20
- Direct Yellow 24
- Direct Yellow 176
- C.I. Direct Yellow 21
- DIRECT YELLOW 2
- Direct Yellow 173
- sodium 6-methyl-2'-[4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]phenyl][2,6'-bibenzothiazole]-7-sulphonate
- 6-Benzothiazolecarboxylic acid, 2-[4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]phenyl]-7-sulfo-, disodium salt