Package: 25kg bag/drum

Uses : used for dyeing on wool

Molecular Structure:

Product description: Product Name: acid orange 7 Synonyms: C.I. Acid Orange 7; C.I. Acid Orange 7, monosodium salt; D & C Orange no. 4; Orange II sodium salt; 4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate; Orange Ⅱ; Acid Orange II Lake; Pigment Orange 17 (15510:1); sodium 4-[(2E)-2-(2-oxonaphthalen-1(2H)-ylidene)hydrazino]benzenesulfonate; sodium 4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate CAS RN.: 633-96-5 EINECS: 211-199-0 Molecular Weight: 350.3243 Molecular Formula: C16H11N2O4SNa Melting Point(℃): 164℃ Water Solubility: 116 g/L (30℃)