A lipid ester
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2-Hydroxypropyl Octadecanoate

Item No. 41151

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
octadecanoic acid, monoester with 1,2-propanediol
CAS Number
1323-39-3
Synonyms
  • NSC 4841
  • 2-Hydroxypropyl Stearate
  • Propyleneglycol Monostearate
Molecular Formula
C21H42O3
Formula Weight
342.6
Purity
≥98%
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
Chloroform: SolubleChloroform: SolubleEthanol: SolubleEthanol: SolubleEthyl ether: SolubleEthyl ether: SolubleHexane: SolubleHexane: Soluble
SMILES
O=C(OCC(O)C)CCCCCCCCCCCCCCCCC
InChi Code
InChI=1S/C21H42O3/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-21(23)24-19-20(2)22/h20,22H,3-19H2,1-2H3
InChi Key
FKOKUHFZNIUSLW-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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Certificates of Analysis & Batch Specific Data

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    5 mg

    $138

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    10 mg

    $262

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    25 mg

    $620

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    50 mg

    $1,032

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    Product Description

    2-Hydroxypropyl octadecanoate is a lipid ester composed of a hydroxylated propylene glycol connected to the long-chain saturated fatty acid stearic acid (Item No. 10011298).1 Formulations containing 2-hydroxypropyl octadecanoate have been used as emulsifiers in food-grade preparations and as topical pharmaceutical excipients.1,2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Macdonald, I.A. Emulsifiers: Processing and quality control. J. Am. Oil Chem. Soc. 45, 584A-586A (1968).

    2. Searles, G.E., and DesGroseilliers, J.-P. Excipients in topical corticosteroid preparations in Canada. CMAJ 141(5), 396-405 (1989).