Overview
Ascorbyl glucoside (CAS 129499-78-1 ), commercially known as AA-2G, is a stable, glycosylated form of vitamin C used across cosmetic, pharmaceutical, and food applications. Unlike free ascorbic acid, it resists oxidative degradation under normal formulation and storage conditions.
The compound releases active vitamin C enzymatically upon skin or biological contact. This stability profile makes it a preferred vitamin C source for formulators who need reliable, long-shelf-life products for various industrial uses.
In skincare formulations, it functions as a brightening and antioxidant active in serums, creams, and toners, where conventional vitamin C would degrade before reaching the consumer. It is highly valued for its performance.
Pharmaceutical manufacturers use it as a stable vitamin C intermediate in oral supplements and nutraceutical blends targeting antioxidant support. It meets rigorous quality standards including USP and Ph.Eur. requirements.
Food and beverage producers incorporate it as a nutrient fortifier in functional products where ascorbic acid stability is a limiting factor. It is often produced to meet FCC and BP specifications for safety.
It also appears in topical pharmaceutical preparations requiring controlled vitamin C delivery without the formulation challenges associated with unstable ascorbate forms. This versatility is key for modern EP and ACS grade applications.
Ascorbyl glucoside is supplied as a white to off-white crystalline powder. Standard commercial concentrations include high-purity grades of 98% and above, with cosmetic-grade and food-grade specifications available for clients.
Bulk quantities are typically offered alongside smaller packaging options suited to R&D and pilot-scale formulation work. This ensures that manufacturers can scale their production from laboratory testing to full commercial distribution.
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Physical Properties
| Melting Point | 158-163°C |
| Boiling Point | 785.6±60.0 °C(Predicted) |
| Density | 1.83±0.1 g/cm3(Predicted) |
| Color | White to Off-white |
| Form | Powder |
| Water Solubility | Soluble in water. (879 g/L) at 25°C. |
| Vapor Pressure | 0Pa at 25℃ |
| Log P | -2 at 20℃ |
Trade & Regulatory
| HS Code | 2938909090 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 129499-78-1
- EC Number
- 603-337-7
- Mol. Weight
- 338.26
- HS Code
- 2938909090
- Category
- Pharmaceutical Intermediates