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Ethyl Ascorbic Acid:
A white powder
Generally recommended dosage of 0.1-3.0%
Alias: Vitamin C ethyl ether
Chemical Name :3-O-Ethyl ascorbic acid ether
INCI name: Ethyl ascorbic acid
CAS No.: 86404-04-8
Structure formula:
Molecular formula: C8H12O6
Molecular Weight: 204.18
Features: Vitamin C ethyl ether is a lipophilic derivative of a water-soluble vitamin C, not only in the formulation to be very convenient to use more easily penetrate it into the dermal layer of the stratum corneum, into the skin easily decomposed by enzymes play a role of vitamin C, thereby increasing its bioavailability, ordinary vitamin C is difficult to be absorbed through skin, bioavailability is very low. Moreover, vitamin C ethyl ether is relatively common in vitamin C also show high stability.
Benefits: This product by inhibiting tyrosinase activity of Cu2 +, blocking the formation of melanin; prevent sun-induced skin inflammation; improve skin color, promote collagen production increase skin elasticity.
Stability: PH value 3.0 ~ 6.0 more stable environment.
Dosage: 0.5 to 2.0%
Uses: Can be used gels, serums, lotions, creams other skin lightening, anti-aging other skin care products.
Package storage: 1kg / bag, aluminum foil bag, 25kg / barrel. Closed, cool dark preservation, valid f3 years.
Item | Standard (BP2005/USP31/EP5) | Test Result |
Characteristics | White crystals crystalline powder | Meet the Requirement |
Identification | Positive Reaction | Meet the Requirement |
Melting Point | 190-192 °C | 191.3 °C |
PH | 2.2~2.6 | 2.49 |
Clarity of Solution | Clear | Meet the Requirement |
Colof Solution | ≤BY7 | < BY7 |
Specific Optical Rotation | +20.5~+21.5° | +21.17° |
Copper | ≤ 5 ppm | <5 ppm |
Heavy metals | ≤ 10 ppm | <10 ppm |
Iron | ≤ 2 ppm | <2 ppm |
Oxalic Acid | ≤ 0.2 % | <0.2 % |
Sulphated Ash | ≤ 0.1 % | <0.1 % |
Residue on Ignition | ≤0.1 % | <0.1% |
Organic Volatile Impurities | Pass USP Test | Meet the Requirement |
Assay | 99.0~100.0% | 99.95% |
Loss on drying | ≤ 0.4 % | <0.4 % |
Lead | ≤2ppm | <2ppm |
Mercury | ≤0.1mg/kg | <0.1mg/kg |
Mesh | 40~80mesh | Pass |
Arsenic | ≤3ppm | <3ppm |
Packaging Detail: | 25KG/Drum |
Delivery Detail: | fast delivery |
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