Product name: Arbutin (β‑Arbutin)
CAS‑No.: 497‑76‑7
EC‑No.: 207‑850‑3
Molecular Formula: C12H16O7
Molecular Weight: 272.25 g/mol
MDL No.: MFCD00016915
Synonyms: β‑Arbutin, 4‑Hydroxyphenyl‑β‑D‑glucopyranoside, Hydroquinone β‑D‑glucopyranosideINCI Name: Arbutin
1. Physico‑Chemical Properties
Solubility: Soluble in water, hot water, ethanol; slightly soluble in ether; insoluble in non‑polar organic solvents
Stability: Stable under normal storage conditions. Sensitive to strong acid, strong alkali, high temperature and light. Avoid long‑term exposure to sunlight.
2. Product Specification (Cosmetic Grade)
| Item | Specification |
|---|---|
| Appearance | White to off‑white crystalline powder |
| Assay (HPLC) | ≥99.0 % |
| Melting Point | 195‑198 ℃ |
| Loss on Drying | ≤1.0 % |
| pH (5% aqueous solution) | 5.0‑7.0 |
| Heavy Metals | ≤10 ppm |
| Arsenic | ≤2 ppm |
| Residue on Ignition | ≤0.10 % |
| Total Aerobic Microbial Count | ≤1000 cfu/g |
| Yeast & Mould | ≤100 cfu/g |
| Pathogenic Bacteria (E.coli, S.aureus, Salmonella) | Negative |
3. Main Applications
Cosmetic raw material: Classic skin‑whitening active ingredient. Inhibits tyrosinase activity, blocks melanin formation, reduces pigmentation, freckles and dark spots. Widely used in serums, creams, lotions, masks and whitening skincare products.
Pharmaceutical intermediate: Used in urinary anti‑infective preparations.
Hair‑care products: Improves scalp condition, reduces dandruff.
4. Storage & Handling
Store in tightly sealed container, cool and dry place. Protect from light, heat and moisture.
Avoid high‑temperature environment.
Shelf‑life: 24 months in original unopened packaging.
5. Packaging
1 kg / 5 kg / 25 kg aluminium foil bag inside cardboard drum.
Disclaimer: This Technical Data Sheet is for reference only. Actual values shall be subject to batch‑specific Certificate of Analysis. Please refer to Safety Data Sheet for safety‑related information.
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