Direct Brown 146
- CAS No.
- 8003-80-3
- Chemical Name:
- Direct Brown 146
- Synonyms
- Direct Brown 147;Direct Brown 146;C.I.Direct Brown 147:C.I.23360;C.I.Direct Brown 146:C.I.25260
- CBNumber:
- CB29702945
- Molecular Formula:
- Molecular Weight:
- 0
- MOL File:
- Mol file
Direct Brown 146 Chemical Properties,Uses,Production
Preparation
N,N’-bis(3-aminophenyl)urea double nitriding, first and 2,4-Diaminobenzenesulfonic acid coupling, again with Benzene-1,3-diamine coupling.
Properties and Applications
brown. For yellow brown soluble in water, soluble in ethanol olive yellow light brown. The strong sulfuric acid in red orange for brown, diluted yellow brown to orange for brown. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution with olives brown precipitation.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 2 | 5 | 1 | 3 | 3 |
Direct Brown 146 Preparation Products And Raw materials
Raw materials
Preparation Products
8003-80-3(Direct Brown 146)Related Search:
Direct Brown 148
Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt
C.I. Direct brown 151, disodium salt
C.I. Direct brown 14
2-Naphthalenesulfonic acid, 6-[(2,4-diaminophenyl)azo]-3-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt
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Direct Brown 146
Direct Brown 147
C.I.Direct Brown 146:C.I.25260
C.I.Direct Brown 147:C.I.23360
8003-80-3