Naphthol AS,Naphthol AS-D,Naphthol AS-E,Naphthol AS-BS,Naphthol AS-OL,Naphthol AS-PH,Naphthol AS-LC,Naphthol AS-OL(refined),Naphthol AS-PH(refined),Naphthol AS-LC(refined),Naphthol AS-IRG,Naphthol AS-ITR---Changzhou Dabang Chemcial Co., Ltd.(Changzhou Xinzhong Chemical Co.,Ltd.)

Naphthol AS-IRG

. English name: NAPHTHOL AS-IRG
. Preparation: Dry products
. Dyes index number: C.I.Azoic Coupling Component 44 (37613)
. Molecular formula: C₁₂H₁₄CLNO₄
. Structural formula:

. Molecular weight: 271.5
. Appearance: White crystal
. Industrial specification: Content: 99 % Melting point: 104
. Use: Used in synthesizing pigment yellow 83 and azoic dye.