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Croconic acid (also
known as 4,5-dihydroxycyclopentenetrione,
crocic acid or
pentagonic acid) is a
chemical compound with
formula C5H2O5 or (C=O)3(COH)2...
- to
croconic acid in its presence. At pH 8.3 and
exposure to light,
solutions are
stable for days in the
absence of oxygen, and
decompose to
croconic acid...
- was
believed to be a
hydrate of C5O5. It can be
prepared by
oxidation of
croconic acid C5O3(OH)2 with
nitric acid. It can be
isolated as water-soluble colorless...
- the skin. The
croconate violet anion is the
conjugate base of the acid
croconic acid
violet C 11H 2N 4O 3, also
obtained by
Fatiadi in 1978 by treating...
- 6-heptanetrione. Both
species exist predominantly in the enol (C=CH) forms.
Croconic acid
Triacetylmethane 2,4,6-Heptanetrione Tri- and
polyketones are of practical...
- the
corresponding acid,
croconate acid blue C 14H 2N 6O 2 by
treating croconic acid C 5H 2O 5 with
malononitrile in
water solution at 80–90 °C. Croconate...
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organouranium complexes. Acetylenediol, H2(CO)2 or HO−C≡C−OH
Deltic acid, H2(CO)3
Croconic acid, H2(CO)5
Rhodizonic acid, H2(CO)6 Cyclopropenone, C3H2O Cyclobutene...
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oxalate esters of tetrahydroxy-1,2-benzoquinone and of the rhodizonic,
croconic, squaric, and
deltic acids.
Carbon suboxide spontaneously polymerizes at...
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uranium atoms.
Acetylenediol (H2(CO)2 or HO−C≡C−OH)
Squaric acid (H2(CO)4)
Croconic acid (H2(CO)5)
Rhodizonic acid (H2(CO)6)
Cyclopropenone (C3H2O) Eggerding...
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chemistry in 1844. His
chemical achievements include the
discovery of the
croconic acid; he thus had
synthesised the
first cyclic organic compound, and he...
