CAS number:72-14-0

Molecular formula:C9H9N3O2S2

molecular weight:255.3167

Chemical structure:

Product name Sulfathiazole Base
Shelf Life Four years
Inspection Standard BP2012/USP32
Items Specifications Results
Description White Powder Corresponds
Identific/Coct Positive Corresponds
IR Absorption Corresponds
Melting Range 200~203℃ 201.5~202.0℃
Clarity Clear Clear
Colour of Solution ≤GY4 <GY4
Acidity ≤0.5ML(USP) <0.5ML(USP)
≤0.1ML(BP) <0.1ML(BP)
Loss on Drying ≤0.5% 0.0003
Chloride ≤0.014% <0.014%
Sulfate ≤0.04% <0.04%
Hevy Metals ≤0.002% <0.002%
Related Substances ≤0.5%(SN) <0.5%(SN)
Ordinary Impurities T.≤2.0% T.<2.0%
Residue on Ignition ≤0.1% 0.0006
ASSAY 99~100.5% 0.9959
Storage and transport temperature: 15℃~35℃
This product is from non animal origin.
Conclusion : The above mentioned product conforms to BP2012/USP32