Catalog number

41002

INCI Name

beta Arbutin

CAS No.

497-76-7

Specification

Appearance

White needle crystal or powder

Assay

97.0 - 102.0%

Melting point

199 ~ 201(±0.5)°C

PH value

5.0~7.0(1%aqueous solution)

Heavy metal(Pb)

≤20ppm

Clarity of water solution

Transparency, colorless, none suspended matters

Specific optical rotation

【α】D20=-64±40

Infrared signature peak

1515cm-1 1220cm-1 1050±(5~8)cm-1

Arsenic

≤2ppm

Loss on drying

≤0.1%

Hydroquinone

≤20ppm

Chloride

≤0.036%

Packing

1kg AL bag in 25kg net fiber drum

Concentration

2.0-7.0%