¹ Source: wiktionary.com
Definition of Phthaleins
1. phthalein [n] - See also: phthalein
Lexicographical Neighbors of Phthaleins
Literary usage of Phthaleins
Below you will find example usage of this term as found in modern and/or classical literature:
1. Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of by Alfred Henry Allen (1910)
"The phthaleins are compounds produced by the action of phthalic acid or anhydride
on phenols, with elimination of water. Thus, at a moderate temperature, ..."
2. Outlines of Industrial Chemistry: A Text-book for Students by Frank Hall Thorp, Charles D. Demond (1905)
"(c) phthaleins are produced from phthalic acid or its anhydride by combining with
phenols. The products are derivatives of tri- phenyl-methane, ..."
3. Chemistry of the Organic Dye-stuffs by Rudolf Nietzki (1892)
"The phthaleins are derivatives of triphenylmethane, and form a group of dyestuffs
which are ... The chromophor of the phthaleins is the lacton ring :— —C, ..."
4. Principles of Theoretical Chemistry: With Special Reference to the by Ira Remsen (1883)
"It is the mother-substance of two important groups of compounds, the aniline dyes
and the phthaleins. The hydrocarbon is easily obtained by bringing ..."
5. The Chemistry of the Coal-tar Colours by Rudolf Benedikt (1889)
"The crude materials for the preparation of the phthaleins are the phenols and
phthalic acid or its anhydride. ..."
6. Coal Tar Dyes and Intermediates by Edward de Barry Barnett (1919)
"THE phthaleins AND RHODAMINES. Phenols condense with phthalic anhydride with loss
of water and formation of triphenyl methane derivatives. ..."
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