Arbutin

Detailed Product Description

English name : Arbutin, Arbutosie, Ursin, Uresol etc.

CTFA name : Arbutus extract

CAS register name and No. : Arbutin No.497-76-7

Chemical name : hydroquinone-β-D-glucopyranoside

Molecular formula : C₁₂H₁₆O₇

Molecular weight : 272.25

	II(Q/XXHG02-2002)	III(Q/XXHG03-2002)
Appearance	White needle crystal or powder	white needle crystal
Assay	≥99%	≥99.5%
Melting point(°C)	199 ~ 201(±0.5)	199 ~ 202(±0.5)
pH value	5.0~7.0(1%aqueous solution)
Heavy metal	<10ppm	<10ppm
Clarity of water solution	Transparency, colorless, none suspended matters
Specific optical rotation	-63~-67
Infrared signature peak	1515cm-1   1220cm-1   1050±(5~8)cm-1
Arsenic	<2 ppm	<2 ppm
Loss on drying	<0.5%	<0.5%
Hydroquinone	<20ppm	<10ppm
Pathogen	Bacteria count<300CPU    Fungus<100CPU

Arbutin is the active substance originated from natural plant which can whiten and lighten skin. It can infiltrate into the skin quickly without affecting the concentration of cell multiplication and effectively prevent activity of tyrosinase in the skin and the forming of melanin. By combined arbutin with tyrosinase, decomposition and drainage of melanin are accelerated, splash and fleck can be got ride of and no side effects are caused. It is one of the safest and most efficient whitening materials that are popular at present. It is also the most competitive whitening activity in the 21st century.

Arbutin synthesized by our company owns high purity and excellent quality. Almost no hydroquinone can be examined. It is the only arbutin product that can meet this high standard