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| L-Ascorbyl palmitate, also known as ascorbic acid-6-palmitate or palmitic acid ester, is a white or yellow white powder with a slight citrus aroma. According to the "Hygienic Standards for the Use of Food Additives" in China, L-ascorbyl palmitate can be used for edible oils, oily foods, instant noodles, and bread, with a maximum dosage of 0.2g/kg. | |||||||||
137-66-6
futurechemical
137-66-6
Ascorbyl Palmitate Basic information | |
Product Name: | Ascorbyl Palmitate |
CAS: | 137-66-6 |
MF: | C22H38O7 |
MW: | 414.53 |
EINECS: | 205-305-4 |
Mol File: | 137-66-6.mol |
Ascorbyl Palmitate Chemical Properties | |
Melting point | 115-118 °C(lit.) |
alpha | +21～+26°(20℃/D, c=2, C2H5OH) |
Boiling point | 512.7±50.0 °C(Predicted) |
density | 1.150±0.06 g/cm3(Predicted) |
refractive index | 22.5 ° (C=1, EtOH) |
storage temp. | 2-8°C |
solubility | Slightly soluble in ethyl alcohol. |
pka | 3.96±0.10(Predicted) |
form | Solid |
color | White to Pale Gray |
Odor | wh. or yel.-wh. powd., citrus odor |
Optical Rotation | [α]20/D +23±1°, c = 1% in ethanol |
biological source | synthetic |
BRN | 96552 |
Henry's Law Constant | 7.0×101 mol/(m3Pa) at 25℃, HSDB (2015) |
Major Application | pharmaceutical (small molecule) |
Cosmetics Ingredients Functions | FRAGRANCE |
ANTIOXIDANT | |
Cosmetic Ingredient Review (CIR) | Ascorbyl Palmitate (137-66-6) |
InChI | 1S/C22H38O7/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-18(24)28-16-17(23)21-19(25)20(26)22(27)29-21/h17,21,23,25-26H,2-16H2,1H3/t17-,21+/m0/s1 |
InChIKey | QAQJMLQRFWZOBN-UWJYYQICSA-N |
SMILES | CCCCCCCCCCCCCCCC(=O)OC[C@H](O)[C@H]1OC(=O)C(O)=C1O |
LogP | 6.5 at 30℃ and pH1.9 |
CAS DataBase Reference | 137-66-6(CAS DataBase Reference) |
EPA Substance Registry System | Ascorbyl palmitate (137-66-6) |
