alpha-arbutin cas 84380-01-8
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Description
alpha-Arbutin
alpha-Arbutin Quick Details
Chemical Name: alpha-Arbutin
Other name: α-Arbutin
CAS No.: 84380-01-8
Molecular Fomula: C12H16O7
Chemical Stucture:
Molecular weight:272.25
Appearance: White crystalline powder
Assay: 99.5%min
alpha-Arbutin Typical Properties
| Item | Specifications |
| Appearance | White crystalline powder |
| Assay | ≥99.5% |
| Hydroquinone | Negative |
| Melting point | 203-206±1℃ |
| Specific optical value | (a)20D= 174.0°~ 186.0° |
| Solubility | Soluble in water slightly soluble in ethanol |
| Clarity | Solution should be clarify, none suspended matters |
| pH (1% aqueous) | 5.0~7.0 |
| Loss on drying | ≤0.5% |
| Residue on Ignition | ≤0.5% |
| Heaby metal | ≤10ppm |
| Lead | ≤10ppm |
| Arsenic | ≤2ppm |
| Mercury | ≤1ppm |
| Total plate count | ≤100cfu/g |
| Molds and Yeast | ≤50cfu/g |
| E.Coli | Negative |
| Staphylococcus aureus | Negative |
| Salmonella | Negative |
| P.aeruginosa | Negative |
Use of alpha-Arbutin
1.It is whitening material of cosmetics.
2.Alpha-arbutin is a pure, water-soluble active ingredient that promotes skin whitening and applies to any skin.
3.Alpha-arbutin inhibits the formation of epidermal melanin by blocking the oxidation of tyrosinase and dopa.
4.Alpha arbutin inhibits tyrosinase activity at very low concentrations.
5.Although the inhibitory mechanism is different from arbutin, it is almost 10 times more intense than arbutin and at higher concentrations.
6.In 2002, α-arbutin has been abroad as a safe and effective skin lightening active agent to the cosmetics market.
7.Alpha-arbutin has a marked effect on the UV scald marks.
alpha-Arbutin Packaging and Shipping
1 kg/Aluminum foil bag 25 kg/Paper fiber drum
alpha-Arbutin Storage
Stored in cool dry conditions in well sealed containers
