ACIDE ADIPIQUE - (124-04-9)

introduction

prénom: adipic acid; hexanedioic acid; hexane-1,6-dioic acid
* IUPAC
Numero CAS: 124-04-9
Formule chimique: C6H10O4 or (CH2)4(COOH)2
Masse molaire: 146.1412 g
Pourcentage de masse: C 49.311 %; H 6.8970 %; O 43.791 % 
isomères:  ethyl oxalate

Classification

Usages / Fonction

• "Adipic acid is used in large quantities for the manufacture of nylon." 1

• "Manuf[acture] artificial resins, plastics (nylon), urethan foams. Used as acidulant in baking powders instead of tartaric acid, cream of tartar, and phosphates because adipic acid is not hygroscopic. As an intermediate in lubricating oil additives." 2

Propriétés physiques

Point de fusion:*
153.2°C 3 = 426.35 K = 307.76°F
151°C 4 = 424.15 K = 303.8°F
Point d'ébullition:*
337.5°C 3 = 610.65 K = 639.5°F
Densité (g/cm3):
1.360 at 25°C 3
* - 1 atm pressure

Solubilité

Qualitatif:
légèrement soluble:  4
miscible:  • 4

Bonding

Obligations doubles: 2
Obligations Triple: 0
Obligations Sigma: 19
Obligations Pi: 2
Total: 21
carboxyl Groupes: 2
Les groupes hydroxylés: 0

Thermochimie

ΔHf° (s): -237.60 kcal/mol 5 = -994.12 kJ/mol
ΔHf° (ℓ): -235.51 kcal/mol 5 = -985.37 kJ/mol
ΔGf° (ℓ): -177.17 kcal/mol 7 = -741.28 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): -668.275 kcal = -2796.0916 kJ
ΔHcomb° (ℓ): -670.365 kcal = -2804.83616 kJ

Pour plus d'informations

Sources

(1) - Estok, George K. Organic Chemistry: A Short Text; W.B. Saunders: Philadelphia, 1959; p 141.
(2) - The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals, 13th ed.; Budavari, S.; O'Neil, M.J.; Smith, A.; Heckelman, P. E.; Kinneary, J. F., Eds.; Merck & Co.: Whitehouse Station, NJ, 2001; entry 163.
(3) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 3-187.
(4) - Estok, George K. Organic Chemistry: A Short Text; W.B. Saunders: Philadelphia, 1959; p 138.
(5) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:65.
(6) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:65.
(7) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:65.