Product Description

Wintersun code: 19-044
CAS Number: 6155-57-3
Molecular Formula: C7H4O3NSNa.2H2O
Molecular Weight: 241.21

Sales Specification

Appearance: White crystal
Quality Standard: USP23 and BP98
Identification: Positive
Melting point: 226-230°C
Assay: 99% – 101%
Loss on drying: 15% Max
Ammonium salts: 25 PPM Max
Arsenic: 3 PPM Max
Benzoate & Salicylate: Complies with USP
Heavy metals: 10 PPM Max
Free Acid or Alkali: Complies with USP Dab
Readily carbonizable substances: Not more intensely colored than reference
P-Toluene Sufonamide: Complies with USP BP DAB
O-Toluene Sufonamide: Complies with USP BP DAB
Related substance: Complies with DAB
Clarity and color solution: Color less, clear
Organic Volatiles: Complies with USP
Solubility: Freely soluble in water, sparingly soluble in alcohol, practically in soluble in ether


25kg drum