Compound Q&A
What is octadecanoic acid (CAS: 57-11-4)?
Answer
Octadecanoic acid, also known as stearic acid (CAS: 57-11-4), is a saturated fatty acid with the chemical formula C18H36O2. It is a white, waxy solid with a high melting point (around 70°C). Commonly found in animal and plant fats, it is used as a lubricant, emulsifier, and stabilizer. Its long hydrocarbon chain makes it hydrophobic, while the carboxylic acid group allows reactivity in chemical processes. It is widely applied in cosmetics, food, and industrial sectors due to its versatile properties.
About
CAS No
57-11-4
English Name
octadecanoic acid
Molecular Formula
C18H36O2
Molecular Weight
284.4839999999999 g/mol
SMILES
CCCCCCCCCCCCCCCCCC(O)=O
InChIKey
QIQXTHQIDYTFRH-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07
