O-CRESOL - (95-48-7)

Introduction

Name: o-cresol; 1-hydroxy-2-methylbenzene
* IUPAC
CAS Number: 95-48-7
Chemical Formula: C7H8O
Molar Mass: 108.13782 g
Mass Percent: C 77.747 %; H 7.4567 %; O 14.795 % 
Isomers:  benzyl alcohol  •  anisole  •  p-cresol  •  m-cresol

Classification

• organic • aromatic

Physical Properties

Melting Point:*
31°C 1 = 304.15 K = 87.8°F
Boiling Point:*
190°C 1 = 463.15 K = 374°F

* - 1 atm pressure

Bonding

Thermochemistry

ΔHf° (g): -30.74 kcal/mol 2 = -128.62 kJ/mol
S° (g): 85.47 cal/(mol•K) 3 = 357.61 J/(mol•K)
ΔGf° (g): -8.86 kcal/mol 4 = -37.07 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° (g): -900.87 kcal = -3769.27384 kJ

For More Information

Sources

(1) - 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 325.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:70.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:70.
(4) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:70.