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 What is cocamidopropyl betaine? Scientific name and characteristics

What is cocamidopropyl betaine? Scientific name and characteristics


The scientific name of BETAINE and brand names:

The scientific name : Cocamidopropyl betaine, abbreviated CAPB

By IUPAC [3-(Dodecanoylamino)propyl](dimethyl)ammonio acetate

- Brand names It's called pb4.


It is also called Amphoteric, where betaine is a medium-strength, medium-strength oscillator, which has amvotor qualities as its chemical structure is a long hydrocarbon chain, as well as the positive-charged four-charged ammonium cationon of NH4  and the passive-charged COO.

- Chemical Formula of betaine is C19H38N2O3

Its molar mass is 342.524 g / mol

By IUPAC [3-(Dodecanoylamino)propyl](dimethyl)ammonio acetate


The characteristics and concentration of betaine:

  • Betaine is a pale, watery yellow liquid that is sometimes colorless depending on the country of origin.
  • Its concentration is 25 to 30% depending on the country of origin.
  • Betaine is a mixture of organic compounds derived from coconut oil and dimethyl amino propyl amine 
  • is used in the manufacture of detergents, especially in liquid soap, hand soap (hand sup) and shampoo as a factor to raise the density of foam, and is used in cosmetics and hair care as an anti-static anti-electricity agent.


Production of betaine:

It is manufactured from the interaction of demethyl amine propyl amine with fatty acids in coconut oil or palm oil according toThe following equations:

CH3(CH2)10COOH + H2NH2CH2CH2N(CH3)2    CH3(CH2)10CONHCH2CH2CH2N(CH3)2


CH3(CH2)10CONHCH2CH2CH2N(CH3)2 + ClCH2COOH +NaOH CH3(CH2)10CONHCH2CH2CH2N(CH3)2CH2COO +  NaCl +  H2O


Safety and warnings from betaine:

Betaine is not considered a carcinogen, but experimental studies on humans have shown that there may be allergic reactions in some cases to amid amine found in betaine that causered and inflammation in the skin.


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