CAS No.: | 131-57-7 |
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Formula: | C14h12o3 |
EINECS: | Non |
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Appearance:Pale greenish yellow crystalline powder
Identification:IR: Identical to IR Spectrum of standard.
HPLC: The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the assay.
Assay(HPLC):97.0%~103.0%
Congealing Temperature:≥62.0ºC
Loss and Drying:≤0.20%
Impurities(HPLC):Total Impurities: ≤1.0%
Benzophenone-1: ≤0.2%
Single largest unspecified impurity: ≤0.10%
Residual Solvents:Ethanol ≤ 5000ppm
Odor:Similar in character and intensity to standard,very slight odor.
Specific Extinction(1%,1cm):E288 ≥ 630
E325 ≥ 410
Melting Point:62.0ºC~65.0ºC
Heavy Metals (Pb):≤ 5 ppm
Gardner Color:≤ 4.0
Molecular Formula:C14H12O3
Storage:Must be stored in closed containers in dry cool conditions