Heptacosane

Heptacosane
Image illustrative de l’article Heptacosane
Image illustrative de l’article Heptacosane
Représentations de l'heptacosane
Identification
Nom UICPA heptacosane
No CAS 593-49-7
No ECHA 100.008.904
No CE 209-792-4
SMILES
InChI
Propriétés chimiques
Formule C27H56  [Isomères]
Masse molaire[1] 380,733 5 ± 0,025 5 g/mol
C 85,18 %, H 14,83 %,
Propriétés physiques
T° fusion 59,5 °C
T° ébullition 428,05 °C[2]
Point critique 795 kPa[3], 569,95 °C[2]
Unités du SI et CNTP, sauf indication contraire.
modifier 

L'heptacosane est un hydrocarbure linéaire de la famille des alcanes de formule brute C27H56. On le retrouve dans la cire naturellement présente sur la peau des pommes.

Notes et références

  1. ↑ Masse molaire calculée d’après « Atomic weights of the elements 2007 », sur www.chem.qmul.ac.uk.
  2. ↑ a et b (en) Iwona Owczarek et Krystyna Blazej, « Recommended Critical Temperatures. Part I. Aliphatic Hydrocarbons », J. Phys. Chem. Ref. Data, vol. 32, no 4,‎ , p. 1411 (DOI 10.1063/1.1556431)
  3. ↑ (en) Iwona Owczarek et Krystyna Blazej, « Recommended Critical Pressures. Part I. Aliphatic Hydrocarbons », J. Phys. Chem. Ref. Data, vol. 35, no 4,‎ , p. 1461 (DOI 10.1063/1.2201061)
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