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
