piroxicam descrpition:
1.piroxicam
2.36322-90-4
3.assay no less than 99%
4.white or almost white crystalline powder
piroxicam specification:.
item |
specifications |
characteristics |
a white or slightly yellow, crystalline powder |
identification |
positive |
residue on ignition |
not more than 0.3% |
heavy metals |
not more than 0.002% |
water |
not more than 0.5% |
organic volatile impurities |
less than 500ppm |
trichloroethylene |
less than 80ppm |
1,4-dioxane |
less than 100ppm |
benzene |
less than 2ppm |
assay(on dried basis) |
97.0%~103.0% |