alpha-Arbutin

Chemical Name: 4-Hydroquinone-α-D-glucopyranoside
Synonyms: Arbutin, α-Arbutin
Molecular Formula: C₁₂H₁₆O₇
Molecular Weight: 272.25 g/mol
CAS No.: 84380-01-8
Purity: ≥99.5% (HPLC)

---

Product Specifications

Parameter	Specification
Appearance	White crystalline powder
Melting Point	195–196°C
Solubility	Water: 50 g/L (20°C)
Optical Rotation	[α]²⁰D: -64° to -68° (c=1, H₂O)
Heavy Metals	≤10 ppm (Pb, As, Cd, Hg)
Production Capacity	200 metric tons/year
Minimum Order	100 grams

---

Key Properties

Tyrosinase Inhibition: IC₅₀ ~3.5 μM (superior to β-arbutin)Stability: pH 3–7, stable up to 80°CSafety: Non-irritating (OECD 439 Skin Irritation Test)

---

Applications

Cosmetics:Skin whitening agent in creams/serums (replaces hydroquinone)Brightening efficacy at 1–5% concentrationPharmaceuticals:Treatment of hyperpigmentation disordersFunctional Foods:Antioxidant additive in health supplements

---

Packaging & Storage

Size	Packaging	Storage Conditions
100 g	Glass bottle + desiccant	2–8°C, dry, inert atmosphere
1 kg	Double foil bag	≤25°C, avoid light
Bulk (>10 kg)	Fiber drum (nitrogen flushed)	Humidity <60% RH

---

Safety & Compliance

GHS Classification: Not classified as hazardousRecommended PPE: Basic gloves and gogglesCertifications:COSMOS/Ecocert approvedChina FDA Cosmetic Ingredient Directory

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.