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

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.

Appearance:white crystals

HPLC assay:95%

Water:< 2.0%

Heavy metal:< 10ppm

As:< 2ppm

Residue on ignition:<0.5

Plate count:<100 cfu/g

Appearance: White sheet crystals

Melting point: 92~96篶

Assay:≥98%

Loss on drying: <0.5%

Ignition residue: < 0.5%

Color reaction of ferric chloride: Negative

Heavy metal: <10ppm

Arsenic: <2ppm

Pathogen: Bacteria count<300 CPU Fungus<100 CPU