beta arbutin

Synonyms:Arbutine, p-arbutin, beta-arbutin, ursin

497-76-7

EINECS No.: 207-850-3

Molecular Formula:C12H16O7

Molecular Weight: 272.26

Solubility:Arbutin is soluble in water, methanol or alcohol. Arbutin is partially soluble in cold water. Arbutin is insoluble in aether, chloroform or benzene.

Appearance White to light yellow powder or crystalline

Assay(HPLC)Min 99.5%

Melting point 199℃~201℃

Clarity of water solutionTransparency, colorless, none suspended matters

PH(1% aqua)5.0~7.0

Optical rotation[α]20D-64º~ -66º(C=3)

IPV1515cm-11220cm-1 1050cm-1
±(5-8)cm-1

ArsenicMax 2PPM

Moisture≤0.5%

Hydroquinone(HPLC)Max. 10PPM

Heavy metals Max. 10PPM

Loss on dryingMax. 0.5%

PathogenBacteria: Max. 300CPU

Fungus: Max. 100CPU

Applications:

Arbutin, a highly effective depigmenting and/or lightening composition is accepted by world, so it was frequently used as an additive ingredient in the cosmetics or dermatological substance, it can effectually inhibit the formation of melanin.

Arbutin is used as skin lightening agents in the cosmetics, especially in advanced cosmetics which have function of lightening skin, sunscreen and dispelling freckle.

Reference addition of arbutin: 2.0~7.0%

Arbutin break down easily in the acidic environment, so the pH value of cosmetic system should be at more than 6.0

The use of arbutin will be dissolved in the water under 50 ℃.

Cosmetic system containing arbutin should be added to the amount of antioxidants.

Stability and Storage:

Notes: Arbutin must store away from oxidizing agents. Arbutin should shield from light.

Storage conditions: Keep container tightly sealed. Arbutin should store in cool, dry conditions in well sealed containers.

Package:1kg/bag, aluminum foil bag and PE bag lining. 10,15, and 20bags/drum, paper fiber drum. Packaging materials is in line with the requirements of FDA. Disposal of used packagings ask official regulations please.

Shelf life:24 months