C.I. Direct red 74
- CAS NO.：8003-75-6
- Empirical Formula: C32H24N6O7S2.2Na
- Molecular Weight: 714.69
- Update Date: 2024-12-18 14:07:02
What is C.I. Direct red 74?
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first and 6-Aminonaphthalene-2-sulfonic acid and 7-Aminonaphthalene-2-sulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
blue-ray red. Soluble in water for red jujube, and adequate soluble in ethanol in red. The strong sulfuric acid in blue, diluted red for sauce. The dye solution to join strong hydrochloric acid for Red sauce, precipitation; Add thick sodium hydroxide solution for orange brown.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3 | 4 | 1 | 2 | 1-2 | ||
Properties of C.I. Direct red 74
| EPA Substance Registry System | C.I. Direct Red 74 (8003-75-6) |
Safety information for C.I. Direct red 74
Computed Descriptors for C.I. Direct red 74
New Products
Tert-butyl bis(2-chloroethyl)carbamate (S)-3-Aminobutanenitrile hydrochloride N-Boc-D-alaninol N-BOC-D/L-ALANINOL N-octanoyl benzotriazole 4-Hydrazinobenzoic acid 3,4-Dibenzyloxybenzaldehyde 3-Nitrobenzaldehyde 1,1’-CARBONYLDIIMIDAZOLE R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) 4-HYDROXY BENZYL ALCOHOL 3-NITRO-2-METHYL ANILINE (2-Hydroxyphenyl)acetonitrile 5-BROMO-2CYANO PYRIDINE 5,6-Dimethoxyindanone 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 2-aminopropyl benzoate hydrochloride 1-(4-(aminomethyl)benzyl)urea hydrochloride tert-butyl 4- (ureidomethyl)benzylcarbamate diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
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