Primidone

Short Description:



Primidone
CAS Number: 125-33-7
Molecular Formula: C12H14N2O2
Standard: USP32/EP6
Package: 25kg/drum

 

Description:



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%

 

 

 


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