Nicotinamide (Ph. Eur., USP) pure, pharma grade

Nicotinamide (Ph. Eur., USP) pure, pharma grade
Content: 250 GRM
Physical Description:
Solid
Specification: Assay (HPLC, calc. on dried subst.): 98.5 - 101.0 %
Assay (titr., calc. on dried subst.): 99.0 - 101.0 %
Appearance of solution: passes test
Identity: passes test
pH (5 %; H2O; 25°C): 6.0 - 7.5
Heavy metals (as Pb):?max. 0.003 %
Sulfated ash:?max. 0.1 %
Loss on drying:?max. 0.5 %
Darkened substances by H2SO4: passes test
Melting range: 128 - 131°C
Related subst. (HPLC):
Total impurities:?max. 0.2 %
Each individual impurity:?max. 0.1 %