4'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide
4'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide Basic information
- Product Name:
- 4'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide
- Synonyms:
-
- n-(4-chloro-2-methylphenyl)-3-hydroxy-2-naphthalenecarboxamid
- naphtholas-trpurifiedcrystalline
- NAPHTHOL AS-TR
- 3-HYDROXY-2-NAPHTHOIC ACID 4'-CHLORO-2'-METHYLANILIDE
- 4'-CHLORO-3-HYDROXY-2-NAPHTHO-O-TOLUIDIDE
- N-(4-chloro-2-methylphenyl)-3-hydroxy-2-naphthamide
- Azoic coupling component 8
- 2-Naphthalenecarboxamide, N-(4-chloro-2-methylphenyl)-3-hydroxy-
- CAS:
- 92-76-2
- MF:
- C18H14ClNO2
- MW:
- 311.76
- EINECS:
- 202-187-6
- Product Categories:
-
- Substrates
- Organics
- Mol File:
- 92-76-2.mol
4'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide Chemical Properties
- EPA Substance Registry System
- 2-Naphthalenecarboxamide, N-(4-chloro-2-methylphenyl)-3-hydroxy- (92-76-2)
4'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide Usage And Synthesis
Chemical Properties
Dark beige powder. Melting point 244-245°C. Insoluble in water, soluble in pyridine. Dye is nearly colorless solution in concentrated sulfuric acid, yellow solution in sodium hydroxide, insoluble in sodium carbonate solution. Sensitive to air.
Preparation
4-Chloro-2-methylbenzenamine and 3-Hydroxy-2-naphthoic acid condensation.
Properties and Applications
deep cream-colored powder. Insoluble in water and sodium carbonate solution, soluble in pyridine. For close to a colorless sulfuric acid in the solution; In sodium hydroxide solution for rice in. Melting point for 244 ~ 245 ℃, of air sensitive. This product is mainly used for cotton yarn dyed orange, red, red, red, blue, red, navy used the render of agent, suitable for cotton, viscose, silk, polyamide fiber or vinegar of dyeing, also can be used for printing of cotton. To cotton affinity medium.
Purification Methods
Crystallise it from xylene [Schnopper et al. Anal Chem 31 1542 1959].
4'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide Preparation Products And Raw materials
Raw materials
4'-Chloro-3-hydroxy-2'-methyl-2-naphthanilideSupplier
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