piroxicam chemical properties
melting point 198-200°c
density 1.3664 (rough estimate)
refractive index 1.6320 (estimate)
storage temp. 2-8°c
solubility practically insoluble in water, soluble in methylene chloride, slightly soluble in anhydrous ethanol. it shows polymorphism (5.9).
form neat
pka 6.3 (2:1 dioxane-water)
water solubility soluble in water, ethanol, chloroform, ethyl acetate.
λmax 358nm(h2o)(lit.)
merck 14,7506
inchikey qysplqlakjaujt-uhfffaoysa-n
cas database reference 36322-90-4(cas database reference)
nist chemistry reference piroxicam(36322-90-4)
epa substance registry system 2h-1,2-benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-n-2-pyridinyl-, 1,1-dioxide (36322-90-4)
safety information
hazard codes xn,f,t
risk statements 22-25
safety statements 26-36
ridadr un 2811
wgk germany 3
rtecs dl0705000
hazardclass 6.1(b)
packinggroup iii
hs code 29349990
toxicity ld50 orally in mice: 360 mg/kg (wiseman)