ZINC IODIDE - (10139-47-6)

Introduction

Name: zinc iodide
* IUPAC
CAS Number: 10139-47-6
Chemical Formula: ZnI2
Molar Mass: 319.21794 g
Mass Percent: Zn 20.490 %; I 79.509 % 

Classification

• inorganic

Uses/Function

• "Topical antiseptic; astringent." 1

Physical Properties

Melting Point:*
446°C 2 = 719.15 K = 834.8°F


* - 1 atm pressure

Bonding

Bonding: polar covalent
Ionic Character: 30.61 %

Thermochemistry

ΔHf° (s): -49.72 kcal/mol 3 = -208.03 kJ/mol
S° (s): 38.5 cal/(mol•K) 4 = 161.08 J/(mol•K)
ΔGf° (s): -49.94 kcal/mol 5 = -208.95 kJ/mol

Reactions

For More Information

Sources

(1) - 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 10193.
(2) - Lide, David R. CRC Handbook of Chemistry and Physics, 84th ed.; CRC Press: Boca Raton, FL, 2003; p 4-95.
(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) - Kotz, John C. and Treichel, Paul. Chemistry & Chemical Reactivity 4th ed.; Thomson Brooks/Cole: Belmont, CA, 1999; pp 161, 173.
(7) - Swaddle, T.W. Inorganic Chemistry; Academic Press: San Diego, 1997; p 392.