Isooctadecanoic acid
AKA “16-METHYLHEPTADECANOIC ACID, 2724-58-5, 30399-84-9, Heptadecanoic acid, 16-methyl-, LZM5XA0ILL, UNII-LZM5XA0ILL, EINECS 220-336-3, 16-methylmargaric acid, DTXSID1040790
Acid
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Ingredient Facts
Isooctadecanoic acid
AKA: 16-METHYLHEPTADECANOIC ACID, 2724-58-5, 30399-84-9, Heptadecanoic acid, 16-methyl-, LZM5XA0ILL, UNII-LZM5XA0ILL, EINECS 220-336-3, 16-methylmargaric acid, DTXSID1040790
Acid · Skin Conditioning
Synthetic
Skin Conditioner
Acid
Not Clean
16-methylheptadecanoic acid is a methyl-branched fatty acid that is heptadecanoic acid (margaric acid) substituted by a methyl group at position 16. It is a long-chain fatty acid, a branched-chain saturated fatty acid and a methyl-branched fatty acid. It is functionally related to a heptadecanoic acid.
Mol. Weight
284.50
State
Liquid; Liquid, Other Solid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Verified Jun 2026
Data: PubChem · CosIng