Stearic acid

from source

C18H36O2 · 284.5 g/mol

octadecoic acid · n-octadecanoic acid · OLA · octadecanoic acid

What is Stearic acid?

The saturated fat that makes beef tallow and cocoa butter solid, and the compound that gives a bar of soap and a candle their body. Found in chocolate, cocoa, and red meat. from source

CategoryNutrient

Chemical familyCarboxylic Acids

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Fig. 1 · 2D structure RDKit

SMILESCCCCCCCCCCCCCCCCCC(=O)O

Where you'll find it

Chocolatewhat else is in it →Cocoawhat else is in it →Red meatwhat else is in it →

Curated by MoleculeFinder from source

Toxicity & hazards

Toxicity · LD50

21.5 mg/kg · highly toxic · LD50 rat iv from source

3 more reported values

22 mg/kgLD50 · iv · rat
23 mg/kgLD50 · iv · mouse
5,000 mg/kgLD50 · dermal · rabbit

DangerToxicIrritantEnvironmentalH301, H315, H400from source

Keep roaming

Where Stearic acid leads

Compare with

Stearic acid vs Palmitic acid

Sources & methodology

PubChem CID: 5281
Wikidata: Q209685
Structure: PubChem → RDKit
LD50: PubChem
Similar molecules: MoleculeFinder fingerprint similarity
Everyday relationships: MoleculeFinder editorial curation
Data refreshed: October 19, 2026

How MoleculeFinder sources and labels its data