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Definition of Phthalic acid
1. Noun. A colorless acid used to make dyes and perfumes.
Definition of Phthalic acid
1. Noun. (organic compound) Any of three isomeric aromatic organic dicarboxylic acids, C6H4(COOH)2; especially the ortho- isomer manufactured from naphthalene, used in the synthesis of dyes, perfumes and other compounds. ¹
¹ Source: wiktionary.com
Medical Definition of Phthalic acid
1. O-Benzenedicarboxylic acid;c6H4(COOH)2. (05 Mar 2000)
Lexicographical Neighbors of Phthalic Acid
Literary usage of Phthalic acid
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1888)
"On heating with sulphuric or nitric acids, ben zoic acid is also formed, together
with phthalic acid, while ethyl benzoate, probably accompanied by ethyl ..."
2. A Dictionary of Chemistry and the Allied Branches of Other Sciences by Henry Watts (1871)
"The dichloride dissolves slowly with evolution of nitrous vapours, and the
solution, when left to itself, deposits crystals of phthalic acid, which may be ..."
3. Journal of the American Chemical Society by American Chemical Society (1901)
"Our experience has shown that the direct nitration of phthalic acid itself, or
of its anhydride, gives good yields of the pure 3,nitro-0- phthalic acid, ..."
4. Commercial Organic Analysis: A Treatise on the Properties, Proximate by Alfred Henry Allen (1889)
"When phthalic acid is distilled with aniline it is converted into ... Phthalic
anhydride is prepared by heating phthalic acid to about 200° in a current of ..."
5. A Text-book of Organic Chemistry by Arnold Frederik Holleman (1920)
"phthalic acid. 348. phthalic acid is the ort/w-dicarboxylic acid of benzene, ...
phthalic acid is employed in the preparation of artificial indigo (405), ..."
6. Technical Methods of Chemical Analysis by Georg Lunge, Charles Alexander Keane, E. Adam, P. Aulich, T. L. Bailey, C. O. Bannister (1914)
"COOH(2) phthalic acid crystallises in small, colourless plates or prisms melting at
... It dissolves in boiling water forming phthalic acid, and in alcohol, ..."
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