TIGLIC ACID - (80-59-1)

introduction

prénom: tiglic acid; (E)-2-methylbut-2-enoic acid*; cevadic acid
* IUPAC
Numero CAS: 80-59-1
Formule chimique: C5H8O2
Masse molaire: 100.11582 g
Pourcentage de masse: C 59.984 %; H 8.0541 %; O 31.961 % 
isomères:  vinyl propionate  •  glutaraldehyde  •  acetylacetone  •  ethyl acrylate  •  angelic acid  •  allyl acetate  •  2,3-pentanedione

Classification

• BIO • alcène • acide carboxylique

Bonding

Obligations doubles: 2
Obligations Triple: 0
Obligations Sigma: 14
Obligations Pi: 2
Total: 16
carboxyl Groupes: 1
Les groupes hydroxylés: 0
Hybridation: double bonded carbons are oxygen are sp2; other carbons and oxygen are sp3

Thermochimie

ΔHf° (s): -117.3 kcal/mol 1 = -490.78 kJ/mol
The heat of combustion is the amount of heat released when one mole of a substance undergoes combustion according to the general reaction equation:
CxHyOz + 0.25(4x+y-2z) O2 (g) → x CO2 (g) + 0.5y H2O (ℓ)

ΔHcomb° (s): -626.21 kcal = -2620.0868 kJ

Pour plus d'informations

Sources

(1) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:91.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:91.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:91.