Ascorbyl stearate

Ascorbyl stearate
Names
	IUPAC name L-threo-Hex-2-enono-1,4-lactone 6-octadecanoate
	Systematic IUPAC name (2S)-2-[(2R)-3,4-Dihydroxy-5-oxo-2,5-dihydrofuran-2-yl]-2-hydroxyethyl octadecanoate
	Other names E305; L-Ascorbic acid, 6-octadecanoate; Ascorbyl monooctadecanoate
Identifiers
CAS Number	10605-09-1 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL218804 ;
ChemSpider	18619275 ;
ECHA InfoCard	100.031.107
EC Number	234-231-5;
E number	E305 (antioxidants, ...)
PubChem CID	54725318;
UNII	7Z1QT341US ;
CompTox Dashboard (EPA)	DTXSID00894148 DTXSID60909883, DTXSID00894148 ;
	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 ;
	SMILES OC([C@]([C@@H](O)COC(CCCCCCCCCCCCCCCCC)=O)([H])O1)=C(O)C1=O;
Properties
Chemical formula	C24H42O7
Molar mass	442.593 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) 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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