Primidone
CAS Number: 125-33-7
Molecular Formula: C12H14N2O2
Standard: USP32/EP6
Package: 25kg/drum
Primidone
CAS Number: 125-33-7
Molecular Formula: C12H14N2O2
Standard: USP32/EP6
Package: 25kg/drum
Items | Specifications(EP) | Specifications(USP) |
Characteristics | White or almost white crystalline powder | White crystalline powder,odourless |
Identification | A.UV(≥2.0) | A.IR |
B.IR | B.UV (≤3.0%) | |
C.D.chemical test | C.Chemical test | |
Water solution | A257≤0.35 | |
Melting point | 279 to 284 | |
Heavy metals | ≤0.001% | |
Loss on drying | ≤0.5% | ≤0.5% |
Residue on ignition | ≤0.2% | |
Sulfated ash | ≤0.1% | |
Ordinary impurities | ≤2% | |
Organic volatile impurities | Complies | |
Residual solvents | ||
Methanol | ≤0.3% | ≤0.3% |
Ethanol | ≤0.5% | ≤0.5% |
Ethyl acetate | ≤0.5% | ≤0.5% |
Assay(on the dried basis) | 98.0 to 102.0% | 98.0 to 102.0% |