Stearic acid

From Academic Kids

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Stearic acid also called octadecanoic acid is one of the many useful types of saturated fatty acids that comes from many animal and vegetable fats and oils. It is a waxy solid, and its chemical formula is CH3(CH2)16COOH. Its name comes from the Greek word, stear, which means tallow. Its IUPAC name is octadecanoic acid.

Stearic acid is prepared by treating animal fat with water at a high pressure and temperature. It can also be obtained from the hydrogenation of vegetable oils. Stearic acid is useful as an ingredient in making candles, soaps, and cosmetics and for softening rubber.

Physical Data

Molecular Weight: 284.48 amu
Boiling point: 361°C
Melting point: 69.6°C

bg:Стеаринова киселина de:Stearinsure eo:Steara acido ja:ステアリン酸 nl:Stearinezuur pl:kwas stearynowy

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