Stearic Acid

Synonym(s)

: Stearophonic acid, n-Octadecanoic acid

Mol. Formula

: C18H36O2

EC / List no.

: 200-313-4

CAS no.

: 57-11-4

Molecular weight

: 284,5

Stearic Acid is a saturated long chain fatty acid with an 18 carbon backbone. Stearic acid is found in various animal and vegetable oils and is an important component of cocoa butter and shea butter.

Application

» This substance is used in the following products: washing and cleaning products, polishes and polishes, pH regulators and water treatment products, cosmetics and personal care products, laboratory chemicals, adhesives and sealants.
» This substance is used in the following areas: municipal supply (eg electricity, steam, gas, water) and sewage treatment and blend formulations and/or repackaging.
» It is used in the production of textiles, leather or fur, in the processing of auxiliary substances in industrial facilities and in the formulation of mixtures.
» Used in machine wash liquids/detergents, automotive care products, paints, coatings or adhesives, fragrances and air fresheners.

Product Specifications

Physical and Chemical Properties
» Stearic acid appears as a white solid.
» It has a mild odor and taste of candle oil.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	69.3
Boiling point	°C	232
Density	g/cm³	0.941	20 °C
Solubility	µg/ L	597	25 °C, soluble with water
Vapor pressure	Pa	0	25 °C
Flash point	°C	196	Closed cup
Autoignition temperature	°C	395
LogP		8.23	25 °C
pKa		4.75	25 °C
Viscosity	mPa.s	29.87	70 °C
Refractive index		1.6130	20 °C