Ascorbyl stearate

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Ascorbyl stearate

IUPAC name [(2S)-2-[(2R)-4,5-Dihydroxy-3-oxo-2-furyl]-2-hydroxy-ethyl] octadecanoate
Other names E304 L-Ascorbic acid, 6-octadecanoate Ascorbyl monooctadecanoate
Identifiers
CAS number	10605-09-1^Y
PubChem	10343784
ChemSpider	18619275
EC number	234-231-5
ChEMBL	CHEMBL218804
Jmol-3D images	Image 1
SMILES OC([C@]([C@@H](O)COC(CCCCCCCCCCCCCCCCC)=O)([H])O1)=C(O)C1=O
InChI InChI=1S/C24H42O7/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-20(26)30-18-19(25)23-21(27)22(28)24(29)31-23/h19,23,25,27-28H,2-18H2,1H3/t19-,23+/m0/s1 Key: LITUBCVUXPBCGA-WMZHIEFXSA-N InChI=1/C24H42O7/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-20(26)30-18-19(25)23-21(27)22(28)24(29)31-23/h19,23,25,27-28H,2-18H2,1H3/t19-,23+/m0/s1 Key: LITUBCVUXPBCGA-WMZHIEFXBR
Properties
Molecular formula	C₂₄H₄₂O₇
Molar mass	442.586 g/mol
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Ascorbyl stearate (C₂₄H₄₂O₇) is an ester formed from ascorbic acid and stearic acid. In addition to its use as a source of vitamin C, it is used as an antioxidant food additive in margarine (E number E305). The USDA limits its use to 0.02% individually or in conjunction with other antioxidants.

References

Burdock, George A (1996). Encyclopedia of Food & Color Additives. CRC Press. p. 213. ISBN 0-8493-9412-0.
Lewis, Richard J (1989). Food Additives Handbook. Springer. p. 70. ISBN 0-442-20508-2.

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