99% Factory Price Factory Supply Cosmetics Additives Ascorbyl Glucoside CAS 129499-78-1

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English name: Ascorbyl glucoside CAS number: 129499-78-1 Molecular formula: C12H18O11 Molecular weight: 338.26 EINECS Number: 253-874-2 Melting point: 158-163℃ Boiling point: 785.6±60.0°C (Predicted) Density: 1.83±0.1g/cm3(Predicted) Storage conditions: Keep in dark place, Sealed in dry, RoomTemperature Solubility: DMSO(Slightly), Methanol(Slightly) Acidity coefficient: (pKa) 3.38±0.10 (Predicted) Form: Powder Color: White to Off-white Water solubility: Soluble in water.(879g/L) at 25°C. Maximum wavelength: (λmax) 260nm (H2O) (lit.)

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Ascorbic acid glucoside, also known as VC glucoside, scientific name O-a-D-glucopyranosyl-L-ascorbic acid (2-O-a-D-glucopyranosyl-L-ascorbicacid, abbreviated as AA-2G), is a derivative of VC, the relative molecular mass It is 338.27, the melting point is 158.5～159.5 ℃. Because VC has the disadvantages of poor stability and easy oxidation, a substitute product of VC, ascorbyl glucoside, is derived, which can replace VC as a sour agent, reducing agent, antioxidant, bleaching agent and stabilizer. It is widely used in cosmetics, food and medicine and other fields.

1. Brighten the skin tone and inhibit the formation of melanin. After ascorbyl glucoside is converted into vitamin C and enters the skin cells, it can significantly reduce the formation of melanin by inhibiting the activity of tyrosinase. Inhibition of tyrosinase reduces dopaquinone, an intermediate in the synthesis of melanin. An added benefit is the simultaneous conversion of dopaquinone to levodopa, which relieves the melanin that has formed, thereby reducing skin pigmentation. 2. Resist UV damage and inhibit the damage to cells caused by ultraviolet radiation. After ascorbic acid glucoside is converted into vitamin C, it can greatly reduce the free radicals generated by ultraviolet radiation on the skin, significantly reduce skin damage, and protect the skin in sunscreen products. .

Ascorbyl glucoside is one of the whitening additives approved by the Department of Health, and is recognized as the most stable vitamin C derivative. At the same time, it is also the most commonly used whitening ingredient in major brands. For example, L'Oreal uses C-glycoside derivatives synergistically with other components to prevent or treat signs of aging on the body or facial skin. Ascorbyl glucoside not only has a good whitening effect, but also has stable chemical properties and no irritation to the skin. It is widely used in cosmetics at home and abroad, and has been recognized by the public. The following table lists the common vitamin C derivatives in cosmetics. application.