Arbutin, Arbutinstd

Arbutin, Arbutinstd is for advanced cosmetics can be formulated into a skin cream, freckle cream, senior pearl ointment,CAS:497-76-7

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Arbutin, Arbutinstd Details

Arbutin, Arbutinstd is for advanced cosmetics can be formulated into a skin cream, freckle cream, senior pearl ointment,

item	Spec
Appearance	white crystalline powder
Assay	≥99.5%
Melting point(°C)	199 ~ 202(±0.5)
Clarity of water solution	Transparency , colorless, none suspended matters
pH value of 1%aqueous solution	5.0~7.0
Heavy metal	<10ppm
Specific optical rotation	-68~ -64
Infrared signature peak	1515cm^-1 1220cm^-1 1050±(5~8)cm^-1
Arsenic	≤2 ppm
Loss on drying	≤0.5%
Ignition residue	≤0.5%
Hydroquinone	≤10ppm
Pathogen	Bacteria count≤300CPU
Pathogen	Fungus≤100CPU

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