Best Price Factory Supply Skin Care Whitening Agent Beta Arbutin Powder CAS 497-76-7

• CAS No.: 497-76-7
• Formula: C12h16o7
• EINECS: 207-850-3
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Refined
• Model NO.: 497-76-7
• Colour: White
• Sample: Available
• Storage: Cool Dry Place
• Self-Life: 2 Years
• MOQ: 1 Kg
• Transport Package: 25kg/Drum
• Specification: Powder
• Trademark: Labeyond
• Origin: China
• Production Capacity: 1mt/Month

Product Description

Arbutin is a glycoside; a glycosylated hydroquinon extracted from the bearberry plant in the genus Arctostaphylos among many other medicinal plants, primarily in the family Ericaceae. Applied topically, it inhibits tyrosinase and thus prevents the formation of melanin.

Item	Specification	Results
Appearance	White crystalline powder	White crystalline powder
Assay	≥99.5%	99.86%
Melting    point	199~201±0.5ºC	199.3-200.7ºC
Clarity of water solution	Transparency, colorless, none suspended matters	pass
pH value	5.0~7.0	6.09
Specific optical rotation	( α )D20=-66±2º	-65. 1°
Infrared peak value	1515cm- 1  1220cm- 1  1050cm- 1 ±(5~8) cm- 1	pass
Arsenice	≤2 ppm	pass
Hydroquinon	≤20 ppm	0.37
Heavy metal	≤20 ppm	pass
Loss on drying	≤0.5%	pass
Ignition    residue	≤0.5%	pass
Pathogen	Bacteria : ≤300cfu/g max Fungus: ≤100cfu/g max	<20 <20
Conclusion	Conformance