DIRECT BROWN 59
- Product Name
- DIRECT BROWN 59
- Chemical Name
- DIRECT BROWN 59
- Synonyms
- DIRECT BROWN 59;C.I.Direct Brown 59:C.I.22345
- CBNumber
- CB5392508
- Formula Weight
- 0
- MOL File
- Mol file
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DIRECT BROWN 59 Chemical Properties,Usage,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications
black light brown. Soluble in water for olive brown, soluble in ethanol for red brown, slightly soluble in acetone. The strong sulfuric acid for purple, diluted Shallow red brown for; In nitric acid in by the red light brown into olive brown. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick sodium hydroxide solution have red light brown precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3 | 4 | 3 | 3 | 2-3 | ||
| AATCC | 5 | 4 | 3-4 | 3-4 | 2 | ||
DIRECT BROWN 59 Preparation Products And Raw materials
Raw materials
Preparation Products
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DIRECT BROWN 59 Suppliers
- Tel
- --
- Fax
- --
- sales@pylamdyes.com
- Country
- United States
- ProdList
- 3257
- Advantage
- 30
DIRECT BROWN 59Related Search:
Direct Brown 57
6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
DIRECT BROWN 6
Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
Direct Brown 61
Benzoic acid, 5-[[4'-[(2-amino-3-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt
C.I. Direct brown 62