Sell L-ascorbyl palmitate

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L-Ascorbyl Palmitate

Synonyms:vitamin C palmitate, L-ascorbyl-6-palmitate, 3-oxo-L-gulofuranolactone 6-palmitate.
Chemical formular: C22H38O7
Molecular weight: 414.54
CAS No.137-66-6

Ascorbyl palmitate is a white or yellowish powder having a slight odor. It is very slightly soluble in water and in vegetable oils. Ascorbic acid comprises 42.5% of the weight of ascorbyl palmitate.

Ascorbyl palmitate is a synthetic ester comprised of the 16-carbon chain saturated fatty acid palmitic acid and L-ascorbic acid. It is used as an antioxidant in foods, pharmaceuticals and cosmetics, and is also used as a preservative for the natural oils, oleates, fragrances, colors, vitamins and other edible oils and waxes which are used in pharmaceuticals, cosmetics and foods.

Ascorbyl palmitate is marketed as a nutritional supplement and claimed to be a superior delivery form of vitamin C. Since ascorbyl palmitate is a fat-soluble derivative of ascorbic acid, theoretically it can concentrate into the lipid domains of biological systems and protect cell membranes and low density lipoproteins (LDL) against oxidation.


Item index
Appearance white or yellowish powder
Content (%) 95 min.
Specific rotation (a) +210  +240
Melting point (0C) 107  117
Loss on dry (%) 2.0 max.
Residue on ignition (%) 0.1 max.
Arsenic (%) 0.0003 max.
Heavy metal (as Pb) (%) 0.001 max.
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