Phenylbutazone

Post Date:
Sep 10,2014
Expiry Date:
Mar 09,2015
Detailed Description:
Cas No. :50-33-9 Product name:Phenylbutazone
Synonyms4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione;1,2-Diphenyl-3,5-dioxo-4-n-butylpyrazoline
Molecular Formula:C19H20N2O2
CAS number:50-33-9
Molecular Weight:308.38
Characteristics:White or almost white crystalline powder
Identification: B.UV C. IR D.chemical test
Melting point:104 ~ 107oC
Appearance of solution:The solution is clear
Acidity OR Alkalinity:NMT 1.0ml NaOH/g;NMT 1.2ml HCL/g
Absorbance:NMT 0.20 at 420nm
Related substances:NMT 0.5%
Heavy metals:NMT 0.002%
Loss on drying:NMT 0.20%
Sulphated ash:NMT 0.10%
Assay: 99.0% ~ 101.0%
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CAS Registry Number:
50-33-9
Synonyms:
;4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione;5-hydroxy-2-(hydroxymethyl)-4H-pyran-4-one;
Molecular Formula:
C₁₉H₂₀N₂O₂
Molecular Weight:
308.379
Molecular Structure:
Hazard Symbols:
T:Toxic;
Xn:Harmful;
Risk Codes:
R45:;
R20/21/22:;
R36/37/38:;
R42/43:;
Safety Description:
S53:;
S22:;
S26:;
S36/37/39:;
S45:;

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