Citric Acid - Research Article from Chemical Compounds

This encyclopedia article consists of approximately 4 pages of information about Citric Acid.
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Overview

Citric acid (SIT-rik AS-id) is also known as 2-hydroxy-1,2,3-propanetricarboxylic acid and β-hydroxytricarballylic acid. It is a common constituent of plant and animal tissues. Its presence is especially noticeable in citrus fruits, such as lemons, limes, oranges, tangerines, grapefruits, and kumquat, which get their name from the acid. In pure form, citric acid is a colorless, translucent, odorless crystalline or powdery material with a pleasantly acidic taste. It frequently occurs as the monohydrate, with a single molecule of water associated with each citric acid molecule. The formula for the monohydrate is HOOCCH2C(OH)(COOH)CH2COOH·H2O. The monohydrate is efflorescent, meaning that it tends to lose its water of hydration when exposed to the air.

Key Facts

Other Names:

See Overview.

Formula:

HOOCCH2C(OH) (COOH)CH2COOH

Elements:

Carbon, hydrogen, oxygen

Compound Type:

Carboxylic acid (organic)

State:

Solid

Molecular Weight:

192.12 g...

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This section contains 954 words
(approx. 4 pages at 300 words per page)
Buy the Citric Acid Encyclopedia Article
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Citric Acid from UXL. ©2008 by U•X•L. U•X•L is an imprint of Thomson Gale, a division of Thomson Learning, Inc. All rights reserved.
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