Nevileand winther's acid

Nevileand winther's acid dry power, 80% pulp, 70% Product Name: 1-Naphthol-4-Sulfonic AcidStructural Formula: Molecular Formula: C10H8O4S Formular Weight: 224.17 Standard: HG/T 2897—1997 CAS No. : 84-87-7EINECS No.: 201-568-4Properties & Use: white to yellow wet paste or dry powder, easily soluble in water. It is mainly used as intermediate for azo dyes. Quality Spec.:

Item	Details
	wet	dry
Appearance	white to light yellow paste	light yellow powder
1-Naphthol—4-Sulfonic Acid (%)	≥ 40.0	≥ 65
1-Naphthylamine-4-sulfonic acid (%)	≤ 1.20	≤ 1.20
Sulfur dioxide (%)	≤ 0.30	—

Packing: In plastic woven bag lined with double plastic film, wet: net wt. 50Kg,dry: net wt. 25Kg/bagStorage: Avoid sunlight and rain, stored in dry and draughty place.

Nevileand winther's acid