Product name: Naphthol AS-LC C.I. 37555 CAS: 4273-92-1 Chemical name: 3-hydroxy-N - (4-chloro-2, 5-dimethoxyphenyl) -2-naphthoformamide Molecular formula: C19H16ClNO4 Formula: Appearance: light beige to light gray powder Shade:approximate Strength: 100 + / - 3% Content: 98% or higher Melting point: 188 ℃ or higher Alkali insoluble substance: ≤0.5% 2,3 acid content: ≤0.4% Sieve residue 60 mesh (or 80 mesh) ≤5% Application: This product is mainly used as intermediate of organic pigment, and can produce pigment red 146 and 184.This product can also be used for dyeing of cotton fabric, viscose, silk, cotton fiber and polyester. It is generally not used for printing, and cotton yarn dyeing is rarely used.This product has a high affinity for cotton and medium coupling ability.

CAS NO:4273-92-1

EC NO:224-270-6

Molecular Formula:C₁₉H₁₆ClNO₄

Molecular Weight:357.7876

Synonyms:;C.I. 37555;C.I. Azoic Coupling Component 23;Naphthol AS-LC;2-Hydroxy-3-Naphthoyl-(4'Chloro-2', 5'-dimethoxy) Aniline;N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide;Naphtol AS-LC;

Molecular Structure: