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Stearină

Stearină
Identificare
Număr CAS555-43-1
PubChem CID11146
Formulă chimicăC₅₇H₁₁₀O₆[1]  Modificați la Wikidata
Masă molară890,83024124 u.a.m.  Modificați la Wikidata
Sunt folosite unitățile SI și condițiile de temperatură și presiune normale dacă nu s-a specificat altfel.

Stearina, tristearina sau tristearatul de gliceril este o trigliceridă derivată de la acidul stearic. Este un compus inodor și alb.[2] Ca alte trigliceride, stearina poate cristaliza în trei forme polimorfe, care se topesc la 54 (forma α), 65 și 72.5 °C (forma β).[3]

Stearina este utilizată ca agent de îngroșare și pentru fabricarea lumânărilor și a săpunurilor.[4]

  1. ^ a b „Stearină”, TRISTEARIN (în engleză), PubChem, accesat în  
  2. ^ Alfred Thomas (). „Fats and Fatty Oils”. Ullmann's Encyclopedia of Industrial Chemistry. Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a10_173. ISBN 978-3527306732. 
  3. ^ Charbonnet, G. H.; Singleton, W. S. (). „Thermal properties of fats and oils”. Journal of the American Oil Chemists' Society. 24 (5): 140. doi:10.1007/BF02643296. 
  4. ^ Geller, L. W. (). „Waxes in the candle industry”. Oil & Soap. 12 (11): 263–265. doi:10.1007/BF02636720. 


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Stearină
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