Customization: | Available |
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CAS No.: | 137-66-6 |
Formula: | C22h38o7 |
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Product Name | Ascorbyl palmitate |
Chemical name | Vitamin C Palmitate |
CAS | 137-66-6 |
Molecular formula | C22H38O7 |
Molecular weight | 414.53 |
Appearance | White Powder |
Package | 1Kg/Foil Bag , 25Kg/Drum or As per your request |
Storage | Store in cool and dry places ,keep away from strong light |
Shelf life | 2 years when properly stored |
Safety | Non-toxic, non-stimulating, safe and reliable |
Only selected data is represented here, for a full set of specifications we refer to our Specifications sheet.
Item | Specification | Test Results |
Appearance | White or almost white powder | Conform |
Assay(On dried basis) | 98.0%~100.5% | 99.12% |
Whiteness | Not less than 68 | 91.2 |
State of solution | Clear and Not more than BY4 | Conform |
Optical rotation | Between +21°and +24° | +22.0° |
Melting range | Between 107ºC and 117ºC | 109~110ºC |
Loss on drying | Not more than 0.8% | 0.14% |
Residue on ignition | Not more than 0.1% | 0.027% |
Sulphated ash | Not more than 0.1% | Not detected |
Bacteria amount | Not more than 1000cfu/g | <10cfu/g |
Coliforms bacteria | Not more than 30MPN/100g | <30MPN/100g |
Pathogenic bacteria(salmonella,shigella, Staphylococcus aureus) |
Negative | Negative |
Heavy metal(as Pb) | Not more than 4ppm | <4ppm |
Lead | Not more than 2ppm | 0.01ppm |
Arsenic | Not more than 1ppm | 0.01ppm |
Cadmium | Not more than 0.5ppm | 0.001ppm |
Mercury | Not more than 0.01ppm | 0.001ppm |
Identification | Positive | Posotive |
1) As Food additives
Ascorbyl palmitate is an ideal antioxidants; color fixative for the protection of natural pigments (such as chili red pigment, lycopene,carotene, lutein, etc.) easily oxidized; use as a fat-soluble antioxidant, with a good effect on soybean oil, cottonseed oil, palm oil, unsaturated fats and hydrogenated vegetable oils; dairy baby products, to prevent baby milk consumption from oxidation defeated; for fried products, it can prevent lipid rancidity to extend the shelf life (such as instant noodles,potato chips, fried fish, grilled meat, etc.)
2) As Drug care
Ascorbyl palmitate can protect the active ingredient for the drug, to prevent oxidation; for nutrition enhancer of Vc, it is without gastrointestinal irritation
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