[Alias] PST
Molecular Formula: |
C17H13N3O5S2 |
CAS NO.： |
85-73-4 |
Molecular Weight: |
403.4 |
[Properties] white or white like crystalline powder, odorless; when meets the light, its color will turn deeper; may soluble in alkali hydroxid and dimethyl formamide, slightly soluble in ethyl alcohol, almost slightly soluble in water and chloroform. Melting point: 198-204℃
[Pharmacological action] This product does not absorb effectively by takes orally, it may slowly decompose out the sulfathiazole in the large intestine. Only 5% will be absorbed by the large intestine. Its antibacterial action in the large intestine is better than the SG and surpasses the SST for 2-4 times.
[Indications] Used for gastrointestinal tract bacterial infection, bacillary dysentery and bacterial canker enteritis. Used to prevent the infection after the intestinal tract operation as well.
Quality standard:BP2002、 EP5 edition.
Properties: white or white like crystalline powder, odorless；
Acidity:≤1ml
Chloride:≤0.014%
Loss on drying:≤2%
Residue on ignition:≤0.1%
Heavy metal:≤20PPM
Aromatic amine & Related substance：≤2%
Content：98.5-101.5% |
