Dictionary Definition
stearin n : an ester of glycerol and stearic
acid
User Contributed Dictionary
English
Noun
- Solid fat
- The triglyceride of stearic acid
Extensive Definition
Stearin ( or /ˈstɪɹɪn/)
is a glyceryl ester of
stearic
acid, derived from animal fats created as a byproduct of
processing beef. It is used
as tallow in the
manufacture of candles
and soap. In the
manufacture of soap, it is mixed with a sodium
hydroxide solution in water. The following reaction gives
glycerin and soap
(sodium
stearate): C3H5(C18H35O2)3 + 3NaOH →
C3H5(OH)3
+ 3C17H35COONa
Stearin is also used in conjunction with Aluminum
Flakes to help in the grinding process in making Dark Aluminum
powder. It is a side product during extraction of cod liver oil
removed during chilling process at temperature below -5°C.
stearin in Danish: Stearin
stearin in German: Stearin
stearin in Esperanto: Stearino
stearin in Spanish: Estearina
stearin in Finnish: Steariini
stearin in French: Stéarine
stearin in Italian: Stearina
stearin in Dutch: Stearine
stearin in Norwegian Nynorsk: Stearin
stearin in Polish: Stearyna
stearin in Russian: Стеарин
stearin in Swedish: Stearin