CITRIC ACID - (77-92-9)

Introduction

Name: citric acid; 2-hydroxypropane-1,2,3-tricarboxylic acid; hydrogen citrate
* IUPAC
CAS Number: 77-92-9
Chemical Formula: C6H8O7
Molar Mass: 192.12352 g
Mass Percent: C 37.509 %; H 4.1970 %; O 58.293 % 

Classification

Uses/Function

• "...is found in the juices of lemons, oranges, limes, gooseberries, and many other kinds of fruits." 1

• "An acid found in citrus fruits or prepared synthetically in the form of colorless crystals or white crystalline powder, which is soluble in water, ether, and alcohol. The hydrous form is used as a flavoring agent." 2

Bonding

Double Bonds: 3
Triple Bonds: 0
Sigma Bonds: 20
Pi Bonds: 3
Total: 23
Carboxyl Groups: 3
Hydroxyl Groups: 1

Reactions

For More Information

Sources

(1) - Brownlee, Raymond B., Fuller, Robert W., and Whitsit, Jesse E. Elements of Chemistry; Allyn and Bacon: Boston, Massachusetts, 1959; p 328.
(2) - Taber's Cyclopedic Medical Dictionary, 18th ed.; F. A. David Company: Philadelphia, PA, 1997; p 21.
(3) - Zumdahl, Steven and Zumdahl, Susan A. Chemistry 9th ed.; Brooks/Cole: Belmont, CA, 2014; p 132.