Sulfamethazine

CAS number:57-68-1

Molecular formula:C12H14N4O2S

molecular weight:278.33

Chemical structure:

PRODUCT
Sulfamethazine Base/Sulfadimidine/Sulphadimidine
SHELF LIFE
3 years
INSPECTION ITEM
STANDARD RESULTS OF ANALYSIS
CHARACTERISTICS WHITE OR ALMOST WHITE CRYSTALLINE OR POWDER
CONFORMS
IDENTIFICATION
PASS IR POSITIVE REACTION POSITIVE REACTION
MELTING POINT 197 —200°C 197-198°C
ACIDITY ≤0.1mol/L NaOH 0.2ml <0.2ml
COLOUR OF SOLUTION ≤Y5BY5GY5 <Y5BY5GY5
HEAVY METALS ≤20PPM 20PPM
RELATED SUBSTANCES ≤0.5% <0.5%
LOSS ON DRYING ≤0.5% 0.10%
SULPHATED ASH ≤0.1% 0.06%
ASSAY ≥99.0% 99.42%
CONCLUSION: THE ABOVE-MENTIONED PRODUCT CONFORMS TO BP2007