STEARIC ACID - (57-11-4)

Introduction

Name: stearic acid; octadecanoic acid
* IUPAC
CAS Number: 57-11-4
Chemical Formula: C18H36O2
Molar Mass: 284.47724 g
Mass Percent: C 75.996 %; H 12.755 %; O 11.248 % 

Classification

Bonding

Double Bonds: 1
Triple Bonds: 0
Sigma Bonds: 55
Pi Bonds: 1
Total: 56
Carboxyl Groups: 1
Hydroxyl Groups: 0

Thermochemistry

ΔHf° (s): -226.5 kcal/mol 1 = -947.68 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): -2696.07 kcal = -11280.444 kJ

For More Information

Sources

(1) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:90.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:90.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:90.