3689-20-1

Basic information

• Product Name: NAPHTHOL AS-LT
• Synonyms: NAPHTHOL AS-LT;3-hydroxy-4’-methoxy-2’-methyl-2-naphthanilide;3-hydroxy-n-(4-methoxy-2-methylphenyl)-2-naphthalenecarboxamid;3-hydroxy-N-(4-methoxy-2-methylphenyl)-2-Naphthalenecarboxamide;3-hydroxy-N-(4-methoxy-2-methylphenyl)-2-naphthamide;Naphthol AS-LT (C.I. 37540);3-Hydroxy-N-(4-methoxy-2-methylphenyl)naphthalene-2-carboxamide;2-Naphthalenecarboxamide, 3-hydroxy-N-(4-methoxy-2-methylphenyl)
• CAS NO: 3689-20-1
• Molecular Formula: C₁₉H₁₇NO₃
• Molecular Weight: 307.34
• EINECS: 222-994-7
• Mol File: 3689-20-1.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 436.8 °C at 760 mmHg
• Flash Point: 218 °C
• Appearance: /
• Density: 1.274 g/cm³
• CAS DataBase Reference: NAPHTHOL AS-LT(CAS DataBase Reference)
• NIST Chemistry Reference: NAPHTHOL AS-LT(3689-20-1)
• EPA Substance Registry System: NAPHTHOL AS-LT(3689-20-1)

Safety Data

• Hazardous Substances Data: 3689-20-1(Hazardous Substances Data)

Usage

Preparation

5-Methoxy-2-methylbenzenamine and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications

shallow brown powder, soluble in butanol and pyridine, insoluble in water and sodium carbonate solution. In the light of sulfuric acid is palm yellow solution; In sodium hydroxide solution for yellow in liquid, a green fluorescent. Melting point for 196 ~ 197 ℃, of air sensitive. Mainly used for cotton cloth dyeing and printing, also can be used for silk, polyamide, two vinegar fiber, viscose and WeiGuan dyeing. This product to cotton affinity medium

Upstream product

• 92-70-6 3-Hydroxy-2-naphthoic acid 
• 102-50-1 2-methyl-4-methoxyaniline 

Downstream Products

• 60478-03-7 3-(4-methoxy-2-methyl-phenyl)-naphtho[2,3-e][1,3]oxazine-2,4-dione