Vitamin C Ascorbyl Glucoside

CAS Number
129499-78-1
EC Number
603-337-7
Abbreviation
AA-2G

What is Vitamin C Ascorbyl Glucoside?

Ascorbyl glucoside (CAS 129499-78-1), commercially known as AA-2G, is a stable, glycosylated form of vitamin C. Also marketed as AA-2G.

Where is Vitamin C Ascorbyl Glucoside used?

  • Skincare: brightening and antioxidant active in serums, creams and toners
  • Pharmaceuticals: stable vitamin C intermediate in oral supplements and nutraceutical blends
  • Topical pharmaceutical preparations: controlled vitamin C delivery
  • Food and beverage: nutrient fortifier in functional products
  • It releases active vitamin C enzymatically upon skin or biological contact.

Good to know: Unlike free ascorbic acid, it resists oxidative degradation under normal formulation and storage conditions. It meets USP, Ph. Eur., FCC and BP specifications.

Commercial specifications

  • High-purity grades of 98% and above
  • Bulk quantities and smaller packaging options for R&D and pilot-scale work

Other Names (Synonyms)

Ascorbyl glucoside|L-ascorbic acid 2-glucoside|AA-2G|2-O-alpha-D-glucopyranosyl-L-ascorbic acid|2V52R0NHXW|skin whitening|RefChem:58140|GlyTouCan:G32886OM|L-Ascorbic acid, 2-O-α-D-glucopyranosyl-

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What are the physical properties of Vitamin C Ascorbyl Glucoside?

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℃

Which trade and regulatory codes apply to Vitamin C Ascorbyl Glucoside?

HS Code 2938909090
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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