C.I. Direct Red 191
- Product Name
- C.I. Direct Red 191
- CAS No.
- 12167-52-1
- Chemical Name
- C.I. Direct Red 191
- Synonyms
- Direct Red 191;C.I. Direct Red 191;C.I.Direct Red 191:C.I.17900
- CBNumber
- CB34773132
- Formula Weight
- 0
- MOL File
- Mol file
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C.I. Direct Red 191 Chemical Properties,Usage,Production
Preparation
Amino acid methyl diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea.
Properties and Applications
yellow light red. Soluble in water for yellow light red, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid to red light purple, diluted for colourful red. The dye solution to join a little red 10% sulfuric acid solution; Add 10% sodium hydroxide solution for shallow blue light purplish red color.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| AATCC | 5 | 5 | 5 | 2 | 4 | ||
C.I. Direct Red 191 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I. Direct Red 191 Suppliers
12167-52-1, C.I. Direct Red 191Related Search:
Direct Red 180
1-Chloro-8-hydroxy-7-[4-(6-methylbenzothiazol-2-yl)phenylazo]naphthalene-3,6-bis(sulfonic acid sodium) salt
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C.I. Direct Red 187
2-Naphthalenesulfonic acid, 3-[[2,5-dimethyl-4-[(4-sulfophenyl)azo]phenyl]azo]-4-hydroxy-7-[[[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]carbonyl]amino]-, trisodium salt
BENZOPURPURIN 4B
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Direct Red 181
2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt