Category:
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CAS NO:
497-76-7
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Basic Info
Grade
pharmaceutical grade
Is Manufacturer
YES
Packaging Specification
1kg/bag,25kg/drum
Minimum Order Quantity
1kg
Payment Method
T/T
Samples Provided
YES
Sample Policy
10g free sample
Product Description
INCI name: β-Arbutin
Chemical name: p-Hydroxyphenyl-β-D-pyranoglucoside
Application products: Whitening and anti-freckle products
Product properties: White powder
Molecular formula: C12H16O7
Molecular weight: 272.25
CAS number: 497-76-7
Molecular structure:
Storage and shelf life: Store in a sealed container, shaded, and in a cool and dry place. Under strict storage requirements, the shelf life is 2 years.
Packaging specification: 1kg/bag,25kg/drum
Storage and shelf life:
Store in a sealed container, shaded, and in a cool and dry place.
Under strict storage requirements, the shelf life is 2 years.
Quality Standards:
| project | index |
|
content % |
≥ 99.5 |
|
Hydroquinone ppm |
≤10 |
| Characteristics | White to off-white powder |
|
Melting point ℃ |
199.0~201 ± 0.5 |
| Specific rotation |
(a) 20D= -66° ± 2° |
| Solution clarity | Colorless, transparent, no suspended matter |
| Infrared characteristic peak |
1515cm-11220cm-11050cm-1 |
|
chloride % |
≤ 0.036 |
|
Arsenic salts ppm |
≤ 2 |
|
pH (1%Aqueous solution) |
5.0-7.0 |
|
Loss on drying % |
≤ 0.5 |
|
Heavy Metals ppm |
≤ 10 |
|
Ignition residue % |
≤ 0.5 |
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