Direct Orange 4
- Product Name
- Direct Orange 4
- CAS No.
- 3626-38-8
- Chemical Name
- Direct Orange 4
- Synonyms
- C.I.22920;Direct Orange 4;C.I.Direct Orange 4;C.I.Direct Orange 4:C.I.22920;4,4'-Bis[(2,4-diamino-5-nitrophenyl)azo]-1,1'-biphenyl-3,3'-disulfonic acid disodium salt
- CBNumber
- CB4968205
- Molecular Formula
- C24H21N10NaO10S2
- Formula Weight
- 696.6
- MOL File
- 3626-38-8.mol
More
Less
Direct Orange 4 Chemical Properties,Usage,Production
Preparation
4,4′-Diamino-3,3′-Biphenyldisulfonic acid?double nitriding, and 4-Nitrobenzene-1,3-diamine (2 Moore) coupled.
Properties and Applications
bright orange. Moderate soluble in water for palm light orange, slightly soluble in ethanol for golden brown. The strong sulfuric acid for golden brown. After diluted for orange brown. The dye solution to join strong hydrochloric acid for orange heavy red light brown, have precipitation; Add thick sodium hydroxide solution for orange light brown, have precipitation. Can be used for cotton dyeing, good levelness. Neutral and alkaline white good to very good.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 4 | 3 | 2 | 2 | ||
Direct Orange 4 Preparation Products And Raw materials
Raw materials
Preparation Products
3626-38-8, Direct Orange 4Related Search:
Direct Orange 40
Benzenesulfonic acid, 5-[(4-amino-2,5-dimethylphenyl)azo]-2-methoxy-, monosodium salt, reaction products with 2,2'-(1,2-ethenediyl)bis[5-nitrobenzenesulfonic acid], reduced
SIRIUS ORANGE G
DIRECT ORANGE 37
Direct Orange 46
Direct Orange 39
C.I. Direct Orange 35