Chinese: 三氯乙酸French: TCA (n.m.)Russian: ТХА

Status: ISO 1750 (published)
IUPAC PIN: trichloroacetic acid
IUPAC name: trichloroacetic acid
CAS name: 2,2,2-trichloroacetic acid
CAS Reg. No.: 76-03-9
Formula: C2HCl3O2
Activity: herbicides (halogenated alkanoic acid)
Notes: When this substance is used as an ester or a salt, its identity should be stated, for example TCA-ammonium [7646-88-0], TCA-calcium [21348-16-3], TCA-ethadyl [2514-53-6], TCA-magnesium [16094-02-3], TCA-sodium [650-51-1].
The Weed Science Society of America has approved the name “fenuron-TCA” [4482-55-7] for a mixture with fenuron, and the name “monuron-TCA” [140-41-0] for a mixture with monuron.
The name “TCA” was formerly approved by ISO for the sodium salt, but the definition was changed to apply to the acid as part of a rationalisation exercise in 1990.
Structure: Structural formula of TCA
Pronunciation: tē sē ā  Guide to British pronunciation
InChI: InChI=1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7)

A data sheet from the Compendium of Pesticide Common Names