Dictionary > Stearic acid

Stearic acid

noun, plural: stearic acids
A eighteen-carbon fatty acid, with the formula: C18H36O2
A fatty acid is a long chain of hydrocarbon. If there are no unsaturated linkages but only single bonds between carbon atoms them the fatty acid is a saturated type. This is in contrast to an unsaturated fatty acid that contains at least one double carbon-carbon bond.
The stearic acid is a saturated fatty acid. It has 18 carbon molecules in a chain connected by single bonds. It is an organic, monobasic acid from hydrocarbons by the equivalent of oxidation of a methyl group to an alcohol, aldehyde, and then acid. It is colorless and odorless. Stearates are salts and esters of stearic acid. Stearin is the triglyceride derived from three stearic acids. The stearic acid is the most common form of fatty acid in animal lipids. It is synthesized through the fatty acid synthesis utilizing carbohydrates and acetyl-CoA.
The stearic acid is used for the production of detergents, soaps, candles, and cosmetics (e.g. shampoo and shaving cream). It is also used in medicine, e.g. as capsule lubricant and as softening and release agent.
IUPAC name:

  • octadecanoic acid

Chemical formula:
See also:

You will also like...

Oligodendrocyte and Schwann cell
The Central Nervous System

Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

Independent Assortment and Crossing Over
Independent Assortment and Crossing Over

This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..

3D rendering of an antibody
Passive and Active Types of Immunity

Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

Growth and Plant Hormones
Growth and Plant Hormones

Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..

IQ, Creativity and Learning
IQ, Creativity and Learning

Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

Human Reproduction
Human Reproduction

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..