high purity 99%min Silver sulfadiazine-Manufacturer

Product Name:Silver sulfadiazine
CAS number 22199-08-2
Formula C10H9AgN4O2S
SMILES eMolecules & PubChem
Product Name:Silver sulfadiazine
Identifiers
ATC code D06BA01
PubChem 441244
Chemical data
CAS number 22199-08-2
Formula C10H9AgN4O2S
Mol. mass 357.14 g/mol
SMILES eMolecules & PubChem
Synonyms (4-Amino-N-2-pyrimidinylbenzenesulfonamidato-NN,01)-silver, sulfadiazine silver, silver (I) sulfadiazine,
Physical data
Melt. point 285 °C (545 °F)
Items
Reuirement
Appearance
White to off-white crystalline powder
Identification
A:infrared absorption

B:the R,value of the principal spot in the thin-layer chromatogram of chormatographic purity corresponds to that obtained from standard solution A

C:dissolve about 1g in 15ml of ammonium hydroxide and 15ml of water in a 50ml volumetric flask,dilute with water to volume,and mix;the solution so obtained responds to the tests for silver
Loss on drying
≤0.5%
Limit of nitrate
≤0.1%
Chromatographic purity
No secondary spot in the chromatogram of the test solution is greater or more intense than the principal spot obtained from standard solution B(1.0%)

The sum of all secondary spots observed is not greater than 2.0%
Silver content
29.3-30.5%
Assay
98.0-102.0%
Particle size
The average particle size is not greater than 10μm and the size of not more than 10% of the particles is greater than 40μm


The above according to standard” USP-31`”