Product Name

Naphthol AS

Other name

C.I. 37505; C.I. Azoic Coupling Component 2; 2-Naphthalenecarboxamide, 3-hydroxy-N-phenyl-; 3-Hydroxy-2-naphthoic aicd anilide; Azoic CC2; C.I. Azoic Coupling Component No. 4; 2-Hydroxy-3-Naphthanilide

CAS No.

92-77-3

EINECS. No.

202-188-1

Structure

Molecular Formula

C17H13NO2

Molecular Weight

263.29

Technical Index

Appearance   Buff yellow homogeneous powder

Purity,%   ≥99.0

2:3Acid,%    ≤ 0.15

Intial M.P.as dry,oC    ≥247.0

Alkali insoluble matter,%    ≤ 0.1

Packing     25kg net bag

Application

For dyeing and printing on cotton,viscous textile and used in manufacturing of organic pigments.