DODECANE - (112-40-3)

Introduction

Name: dodecane; duodecane; dihexane
* IUPAC
CAS Number: 112-40-3
Chemical Formula: C12H26 or CH3(CH2)10CH3
Molar Mass: 170.33484 g
State of Matter: colorless liquid
Mass Percent: C 84.614 %; H 15.385 % 

Classification

• organic • alkane

Physical Properties

Melting Point:*
-9.6°C 1 = 263.55 K = 14.72°F
Boiling Point:*
215°C 2 = 488.15 K = 419°F

* - 1 atm pressure

Bonding

Double Bonds: 0
Triple Bonds: 0
Sigma Bonds: 37
Pi Bonds: 0
Total: 37
Carboxyl Groups: 0
Hydroxyl Groups: 0
Hybridization: all carbons are sp3
Bonding: polar covalent
Ionic Character: 10.61 %

Thermochemistry

ΔHf° (ℓ): -84.16 kcal/mol 3 = -352.13 kJ/mol
S° (ℓ): 117.26 cal/(mol•K) 4 = 490.62 J/(mol•K)
ΔGf° (ℓ): 6.71 kcal/mol 5 = 28.07 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° (ℓ): -1932.535 kcal = -8085.78456 kJ

Reactions

For More Information

Sources

(1) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 3-147.
(2) - Shriner, Ralph L., Fuson, Reynold C., and Curtin, David Y. The Systematic Identification of Organic Compounds, 4th ed.; John Wiley & Sons: New York, 1962; p 314.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:77.
(4) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:77.
(5) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:77.
(6) - T > -10238.7425137461