CHLORINE DIOXIDE - (10049-04-4)

Introduction

Name: chlorine dioxide
* IUPAC
CAS Number: 10049-04-4
Chemical Formula: ClO2
Molar Mass: 67.4518 g
Mass Percent: Cl 52.560 %; O 47.439 % 

Classification

• inorganic

Uses/Function

• "Taste and odor control [in chemical water analysis]" 1

Physical Properties

Melting Point:*
-59°C 2 = 214.15 K = -74.2°F
Boiling Point:*
11°C 3 = 284.15 K = 51.8°F

* - 1 atm pressure

Bonding

Bonding: nonpolar covalent
Ionic Character: 8.48 %

Thermochemistry

ΔHf° (g): 24.5 kcal/mol 4 = 102.51 kJ/mol
S° (g): 61.37 cal/(mol•K) 5 = 256.77 J/(mol•K)
ΔGf° (g): 28.76 kcal/mol 6 = 120.33 kJ/mol

Reactions

For More Information

Sources

(1) - Hammer, Mark J. Water and Wastewater Technology, 2nd ed.; Prentice Hall: Englewood Cliffs, NJ, 1986; p 9.
(2) - Lide, David R. CRC Handbook of Chemistry and Physics, 84th ed.; CRC Press: Boca Raton, FL, 2003; p 4-51.
(3) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 4-51.
(4) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(5) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(6) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(7) - Swaddle, T.W. Inorganic Chemistry; Academic Press: San Diego, 1997; p 225.