Catalog number

21003

INCI Name

Benzophenone 3

CAS No.

131-57-7

Specification

Appearance

Pale greenish yellow crystalline powder

Identification

IR: Identical to IR Spectrum of standard

HPLC: The retention time of the majorpeak of the Sample solution corresponds tothat of the Standard solution, as obtained inthe assay

Assay(HPLC)

97.0~103.0%

Congealing Temperature

≥62.0℃

Loss on drying

≤0.2%

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 tostandard,very slight odor

Specific Extinction(1%,1cm)

E288 ≥630

E325≥410

Melting point

62.0℃~65.0℃

Heavy metal(Pb)

≤5ppm

Gardner Color

≤4.0

Packing

25kg net fiber drum

Concentration

6%max. (EU, Canada, Brazil, USA, Austria, ASEAN, China)

5%max. (Korea, Japan)