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RebTech Ethyl Ascorbic Acid(EAA)

Ethyl Ascorbic Acid is a stable Vitamin C derivative with excellent skin brightening activity. Its chemical structure is unique in that the ethyl group forms an ether with the 3-hydroxyl group of the ascorbic acid, which results in much higher stability. Other commercialized ascorbic acid derivatives are ethers at the 2-hydroxyl position.

INCI Name: 3-O-Ethyl Ascorbic Acid

Functions: Anti-Aging Agent, Brightening Agent

Labeling Claims: Credo Clean Standard, Ulta Beauty's Conscious Beauty

Certifications & Compliance: ISO 9001

Benefit Claims: Anti-Aging, Brightening, Long Lasting, Non-Tacky, Reduces Stickiness, Stabilizing

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Identification & Functionality

Vitamin Type
Cosmetic Ingredients Functions
CAS No.
86404-04-8

Features & Benefits

Functions
  • Excellent skin brightening activity.
  • Active in both in vitro and in vivo tests.
  • Much higher stability than other ascorbic acid derivatives.
  • Good esthetics – not sticky or tacky.
  • Has quasi-drug status in Japan.
  • Direct-action
  • Fast-action
  • Long-lasting
  • Multistep Inhibition
  • Good touch

Applications & Uses

Typical Applications & Uses

Typical Application: Excellent for use in whitening or anti-aging cosmetics such as gel, essence, latex and creams; Ethyl Ascorbic Acid is a unique ascorbic acid derivate (Japanese Quasi-drug) that satisfies both excellent stability and direct inhibition of melanogenesis
Typical use level : 0.5 %to 10.0%

Properties

Physical Form
Appearance
White or off white crystalline
Typical Properties
ValueUnitsTest Method / Conditions
Arsenic Contentmax. 2ppm
Ash Contentmax. 0.1%
Assaymin. 99%
pH Value4.0 - 5.0
Free VCmax. 10ppm
Heavy Metalsmax. 10ppm
Loss on Dryingmax. 1.0%
Melting Point111.0 - 115.0°C
Molecular FormulaC8H12O6
Molecular Weight204.18
Water SolubilityColorless to light yellow transparent liquid
Microbiological Values
ValueUnitsTest Method / Conditions
Total Bacteria Countmax. 100CFU/g

Regulatory & Compliance

Certifications & Compliance
Quality System

Manufacture according to quality system registered to ISO 9001:2008

Packaging & Availability

Packaging Type
Standard Packing

1kg/ aluminum foil bag

Storage & Handling

Shelf Life
2 years
Storage Information
Stored in room temperature and dry place, keep away from strong light and heat.