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Citric acid also dissolves in absolute (anhydrous) ethanol (76 parts of citric acid per 100 parts of ethanol) at 15 °C. It decomposes with loss of carbon dioxide above about 175 °C. Citric acid is a triprotic acid , with pK a values, extrapolated to zero ionic strength, of 3.128, 4.761, and 6.396 at 25 °C. [ 21 ]
The systematic IUPAC name is not always the preferred IUPAC name, for example, lactic acid is a common, and also the preferred, name for what systematic rules call 2-hydroxypropanoic acid. This list is ordered by the number of carbon atoms in a carboxylic acid.
IUPAC states that, "As one of its major activities, IUPAC develops Recommendations to establish unambiguous, uniform, and consistent nomenclature and terminology for specific scientific fields, usually presented as: glossaries of terms for specific chemical disciplines; definitions of terms relating to a group of properties; nomenclature of chemical compounds and their classes; terminology ...
Some traditional names for common carboxylic acids (such as acetic acid) are in such widespread use that they are retained in IUPAC nomenclature, [7] though systematic names like ethanoic acid are also used. Carboxylic acids attached to a benzene ring are structural analogs of benzoic acid (Ph−COOH) and are named as one of its derivatives ...
Common name IUPAC name Molecular formula Structural formula citric acid: 2-hydroxypropane-1,2,3-tricarboxylic acid: C 6 H 8 O 7: isocitric acid: 1-hydroxypropane-1,2,3-tricarboxylic acid
This is a list of common chemical compounds with chemical formulae and CAS numbers, indexed by formula. ... citric acid: 77-92-9 C 6 H 9 N 3 O 2: histidine His: 71-00-1
The molecular formula C 6 H 8 O 7 (molar mass: 192.12 g/mol, exact mass: 192.0270 u) may refer to: Citric acid; Isocitric acid
Triethyl citrate is an ester of citric acid. It is a colorless, odorless liquid used as a food additive, emulsifier and solvent (E number E1505) [4] to stabilize foams, especially as whipping aid for egg white. [5] It is also used in pharmaceutical coatings and plastics. [6]