Phenylbutazone

SKU : AAP010
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CAS number

50-33-94297-92-1

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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