China (Mainland)
Arbutin CAS NO.497-76-7
- Min.Order: 20 Kilogram
- Payment Terms: L/C,T/T,
- Product Details
Keywords
- Arbutin
- high purity arbutin
- Arbutin 99.0%min
Quick Details
Superiority
Arbutin inhibits melanin pigment synthesis by inhibiting tyrosinase activity.
Arbutin is one of the safest and most efficient whitening materials that are popular at present, and also is the most competitive whitening activity in the 21st century.
Details
|
Items |
Standards |
|
Appearance |
White crystalline powder |
|
Assay |
99.0% Min |
|
Melting point (℃) |
199.0-201.0±0.5℃ |
|
pH value (1% solution) |
5.0-7.0 |
|
Specific rotation [α]20D |
-66±2° |
|
Arsenic |
≤2 ppm |
|
Hydroquinone |
≤10 ppm |
|
Heavy metals |
≤20 ppm |
|
Loss on drying |
≤0.5% |
|
Ignition residue |
≤0.5% |
|
Pathogen |
Bacteria: ≤300 cfu/g |
|
Fungus: ≤100cfu/g |