Product Details
alpha arbutin

alpha arbutin

CAS : NO.84380-01-8

Keywords:

alpha arbutin , arbutin , beta arbutin

Quick Details:

Superiority:

Produced by fermentation

Details:

inci name:

alpha-arbutin

chemistry:

4-hydroquinone-alpha-d-glucopyranosidemolecular

cas no.:

84380-01-8

einecs no.:

440-470-8

molecular formula:

c12h16o7

molecular weight:

272.26

 

solubility: arbutin is soluble in water, 151g/l at 20 (ph of solution 5.8)

 

property

specification

character

white fine power or crystals

assay(hplc)

min 99%

melting point

199-204(±0.5)℃

specific optical rotation

[a]d20= + 174.0°- +186.0°

infrared characteristic peak

 

solubility

soluble in wateralcohol

transparency in water

transparent colorless no suspended

ph(1% water solution)

5.0-7.0

loss on drying

max. 0.5%

sulphated ash

max. 0.5%

heavy metals

max. 10ppm

arsenic

max. 1ppm

plumbum

max. 2ppm

microbiological control

total plate count

max. 1000cfu/g

yeast & mold

max. 100cfu/g

escherichia coli

negative

staphylococcus aureus

negative

 

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