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malonic acid

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malonic acid

–noun Chemistry.
a white, crystalline, water-soluble, dibasic acid, C3H4O4, easily decomposed by heat: used chiefly as an intermediate in the synthesis of barbiturates.

Origin:
1885–90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ma·lo·nic acid   (mə-lō'nĭk, -lŏn'ĭk)   
n.  A white crystalline acid, CH2(COOH)2, derived from malic acid and used in making barbiturates.

[French (acide) malonique, alteration of malique, malic (acid); see malic acid.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ma·lo·nic acid
Pronunciation: m&-'lOn-ik-, -'län-
Function: noun
: a crystalline dicarboxylic acidCH2(COOH)2 used especially in the form of its diethyl ester in organic synthesis (as of barbiturates and vitamins of the B complex)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

malonic acid ma·lo·nic acid (mə-lō'nĭk, -lŏn'ik)
n.
A white crystalline dicarboxylic acid derived from malic acid and used in the manufacture of barbiturates.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
malonic acid   (mə-lō'nĭk, -lŏn'ĭk)  Pronunciation Key 
A white crystalline acid derived from malic acid and used in making barbiturates. Chemical formula: C3H4O4.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia

malonic acid

(HO2CCH2CO2H), a dibasic organic acid whose diethyl ester is used in syntheses of vitamins B1 and B6, barbiturates, and numerous other valuable compounds.

Learn more about malonic acid with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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