Stearic Acid >98%


Stearic acid is a saturated fatty acid with an 18-carbon chain and has the IUPAC name octadecanoic acid. It is a waxy solid, and its chemical formula is CH3(CH2)16CO2H. The salts and esters of stearic acid are called stearates. Stearic acid is one of the most common saturated fatty acids found in nature following palmitic acid.

  • Soaps, cosmetics, detergents
  • Alongside sugar or corn syrup as a hardener in candles
  • Lubricants, softening and release agents


Minimum Assay: >98%
Molecular Formula: C18H36O2
Molecular Weight: 284.48
Solubility in water (% weight): Insoluble in water
Acid Number: 200
Iodine Value: 0.2%
Sulphated Ash: <0.055%
Congealing Temperature: 55 C
Melting Point: 69-72°C
Boiling Point: 232°/15mm

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 57-11-4
Einecs No: 200-313-4
FP: 196 °C

HS Code: 3823110090


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Additional information

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