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Ascorbyl Glucoside (AA2G) CAS 129499-78-1 - China Suppliers & Factory for Stable Vitamin C Derivative
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Chemical Name: Ascorbyl glucoside
CAS No.: 129499-78-1
Molecular Formula: C12H18O11
Molecular Structure:
Molecular Weight: 338.26
Appearance: White to white crystalline powder
Sample: Free samples available
Core Characteristics: As a top-quality product from China, our Ascorbyl glucoside is known for its exceptional stability and resistance to oxidation and discoloration. Unlike standard Vitamin C, it is non-photosensitive, gentle, and non-irritating, offering enhanced transdermal absorption. In the body, it gradually decomposes into Vitamin C and glucose, allowing for prolonged benefits.
,Production Process: Our factory utilizes advanced enzymatic methods for the industrial synthesis of Ascorbyl glucoside. This well-established process ensures high purity and adherence to international environmental and safety standards, making us reliable suppliers in the industry.
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Typical Properties
| Item | Specifications |
| Assay % | >99.5 |
| Free ascorbic acid | ≤0.1 |
| Free glucose % | ≤0.1 |
| Appearance and smell | White to white crystalline powder, odorless |
| Solubility | Soluble in water |
| Solution clarity | Solution should be clarified |
| The colour of the aqueous solution | ≤0.010 (absorbance) |
| Melting point ℃ | 158–163 |
| Specific rotation | +186.0~+188.0° |
| PH (1% W/V) | 2.0–2.5 |
| Loss on drying % | ≤0.5 |
| Residue on ignition % | ≤0.2 |
| Heavy metals (as Pb) ppm | ≤10 |
| Arsenic (as AS2O3) ppm | ≤2 |
| Total Plate count cfu/g | ≤100 |
| Molds and Yeast cfu/g | ≤50 |
| Thermotolerant coliforms | Negative |
| Staphylococcus aureus | Negative |
| P. aeruginosa | Negative |
Application
Ascorbic Acid Glucoside (AA2G) is a stable derivative of Vitamin C, mainly applied in cosmetics and skincare products, with a small amount used in functional foods.
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🧴1. Cosmetics & Skincare (Main Application) It inhibits tyrosinase to reduce melanin production, brighten skin tone, fade dark spots, acne marks and post-inflammatory hyperpigmentation. It also scavenges free radicals, resists photoaging, promotes collagen synthesis, improves skin elasticity, refines pores and controls oil, suitable for all skin types including sensitive skin. It is widely added to whitening serums, creams, masks, sunscreens and men's oil-control products.
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🥤2. Other Applications As a stable Vitamin C, it is used in functional drinks, tablets, solid beverages and oral beauty products (such as whitening pills, collagen drinks), with better stability than ordinary Vitamin C.
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Key Features
More stable than ordinary Vitamin C, non-irritating, good transdermal absorption, non-photosensitive and can be used during the day.
Package & Storage
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Package
20 kg / Carton
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Storage
Store in a well-ventilated, cool, and dry place
Frequently Asked Questions
QWhat is Ascorbic Acid Glucoside (AA2G) and how does it differ from regular Vitamin C?
Ascorbic Acid Glucoside (AA2G) is a stable glycoside derivative of Vitamin C. Unlike regular Vitamin C (L-ascorbic acid), AA2G is highly stable, non-photosensitive, and resistant to oxidation, making it suitable for daytime use and long-term formulation stability.
QWhat is the purity level of this AA2G product?
This product has an assay of greater than 99.5%, ensuring pharmaceutical and cosmetic grade quality with minimal free ascorbic acid (≤0.1%) and free glucose (≤0.1%).
QIs AA2G suitable for sensitive skin?
Yes. AA2G is non-irritating and has excellent transdermal absorption properties. It is suitable for all skin types, including sensitive skin, making it a preferred ingredient in gentle whitening and anti-aging skincare formulations.
QWhat types of products can AA2G be used in?
AA2G is primarily used in cosmetics and skincare products such as whitening serums, creams, masks, sunscreens, and oil-control products. It is also used in functional foods including drinks, tablets, solid beverages, and oral beauty supplements like whitening pills and collagen drinks.
QWhat are the storage requirements for AA2G?
AA2G should be stored in a well-ventilated, cool, and dry place to maintain its stability and quality. Proper storage conditions help preserve the product's high purity and effectiveness over time.
QWhat is the standard packaging specification for AA2G?
AA2G is packaged in 20 kg per carton. This standard packaging is designed to ensure product safety during transportation and storage while meeting the needs of cosmetic and food-grade manufacturers.