Molecular Formula:C₁₂H₁₄O₂N₄S
Molecular Weight:278.3
Property: white or yellowish crystalline powder, odorless, with slightly bitterness; color becomes dark on meeting light. It is almost insoluble in water, easy soluble in dilute acid and dilute alkali.

Quality Standard BP2007/USP31/EP6
Item	Index
Appearance	white or yellowish crystal or powder
Melting Point	197~200
Acidity	the consumption of 0.1MOL/LNaOH=0.2ml
Color of Alkali Solution	≤yellow No.3
Heavy Metals	≤20PPM
Ash	≤0.1%
Content	≥99.0%
Moisture	≤0.5%
Related Matters	≤0.5%

Uses:Sulfa drug, has inhibition action on hemolytic streptococcus, pneumococcus, meningitis, coccus and other bacteria, and its pharmacological action is similar to sulfadiazine. Its acetylate is easy soluble in water, and easy to be excreted from urea, almost impossible to cause kidney disturbance.
Packing:25KG per paperboard drum, two-layer kraft bag lined with polyethylene plastic bag.
Storage and Transportation:protect from moisture and light, sealed.