POTASSIUM CHLORATE - (3811-04-9)

Introduction

Name: potassium chlorate
* IUPAC
CAS Number: 3811-04-9
Chemical Formula: KClO3
Molar Mass: 122.5495 g
Mass Percent: K 31.904 %; Cl 28.929 %; O 39.166 % 

Classification

• inorganic

Uses/Function

• "is the oxidizer in safety matches" 1

• "Explosives; fireworks; matches; printing and dyeing cotton and wood black; manuf[acturing] aniline black and other dyes; source of oxygen; in chemical analyses." 2

Bonding

Thermochemistry

ΔHf° (s): -93.50 kcal/mol 3 = -391.20 kJ/mol
S° (s): 34.17 cal/(mol•K) 4 = 142.97 J/(mol•K)
ΔGf° (s): -69.29 kcal/mol 5 = -289.91 kJ/mol

Reactions

For More Information

Sources

(1) - Silberberg, Martin S. Chemistry: The Molecular Nature of Matter and Change, 4th ed.; McGraw-Hill: New York, 2006; p 604.
(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 7703.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(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) - T > -180.744575438313