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Ascorbyl Glucoside (AA2G) CAS 129499-78-1 - Stable Vitamin C from China Suppliers & Factory
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Chemical Name: Ascorbyl Glucoside
, CAS No.: 129499-78-1
, Molecular Formula: C12H18O11
Molecular Weight: 338.26
, Appearance: White to white crystalline powder
, Sample: Free samples available upon request
Core Characteristics: Ascorbyl Glucoside is highly stable, resistant to oxidation and discoloration, and non-photosensitive. Its gentle and non-irritating formula ensures superior transdermal absorption when compared to regular Vitamin C. Within the body, it gradually decomposes into Vitamin C and glucose, offering lasting effects.
,Production Process: This remarkable compound is synthesized through mature enzymatic methods in our factory in China. Our processes achieve high purity levels while adhering to international environmental and safety standards, making us a reliable supplier 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 (asAS2O3) ppm | ≤2 |
| Total Plate count efu/g | ≤100 |
| Molds and Yeast cfii/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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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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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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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
20kg / Carton
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Storage
Store in a well-ventilated, cool, and dry place
❓ Frequently Asked Questions (FAQ)
Q
What is Ascorbic Acid Glucoside (AA2G)?
Ascorbic Acid Glucoside (AA2G) is a stable derivative of Vitamin C formed by bonding glucose to ascorbic acid. It offers superior stability compared to ordinary Vitamin C and is widely used in cosmetics, skincare, and functional food applications.
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What is the purity level of this AA2G product?
This product has an assay of greater than 99.5%, with free ascorbic acid and free glucose both controlled at ≤0.1%, ensuring high purity and consistent quality for professional applications.
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Is AA2G safe for sensitive skin?
Yes. AA2G is non-irritating and suitable for all skin types, including sensitive skin. Unlike some forms of Vitamin C, it does not cause photosensitivity, which means it can be safely used in daytime skincare formulations.
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What are the main benefits of AA2G in skincare products?
AA2G inhibits tyrosinase activity to reduce melanin production, brightens skin tone, fades dark spots and acne marks, scavenges free radicals to resist photoaging, promotes collagen synthesis, improves skin elasticity, and helps refine pores and control oil.
Q
How should AA2G be stored to maintain its quality?
AA2G should be stored in a well-ventilated, cool, and dry place. Proper storage conditions help preserve its stability and effectiveness over time. Avoid exposure to high temperatures, moisture, or direct sunlight.
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What is the standard packaging specification for AA2G?
AA2G is supplied in 20kg per carton packaging, suitable for industrial and commercial use. Custom packaging arrangements may be discussed based on specific order requirements.