Phenylbutazone

Short Description:



Phenylbutazone
CAS Number: 50-33-9 (4297-92-1)
Molecular Formula: C19H20N2O2
Standard: USP32/EP6
Package: 25kg/drum

 

Description:



Phenylbutazone
CAS Number: 50-33-9 (4297-92-1)
Molecular Formula: C19H20N2O2
Standard: USP32/EP6
Package: 25kg/drum

ITEMS LIMIT
Characters White or almost white crystalline powder
Identification B. UV
C. IR
D. chemical test
Melting point 104~107°C
Appearance of solution The solution is clear
Acidity or alkalinity ≤1.0ml NaOH/g,
≤1.2ml HCl/g
Absorbance 420nm, ≤0.20
Related substances ≤0.5%
Heavy metals ≤0.002%
Loss on drying ≤0.2%
Sulphated ash ≤0.1%
Residual solvents Methanol≤0.3%
Ethanol≤0.5%
Assay 99.0%~101.0% (on dried basis)

 


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