trichloroacetate anion CAS 76-03-9

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Chemical Name: trichloroacetate anion

CAS No.:76-03-9

Molecular Fomula:C2HCl3O2

Molecular weight:163.39

Appearance:White Solid

Sample: Available

trichloroacetate anion CAS#76-03-9

Description of trichloroacetate anion

Trichloroacetic acid (TCA; TCAA; also known as trichloroethanoic acid) is an analogue of acetic acid in which the three hydrogen atoms of the methyl group have all been replaced by chlorine atoms. Salts and esters of trichloroacetic acid are called trichloroacetates.

Basic Info of trichloroacetate anion

Chemical Name

trichloroacetic acid


Trichloroacetic acid;2,2,2-trichloroacetic acid;TCA;Acetic acid, trichloro-;



Molecular Formula


Molecular Weight






Safety Info



Hazard Class


Safety Statements


HS Code


WGK Germany


Packing Group



UN 1839/2564

Risk Statements

R35; R50/53

Hazard Codes


Signal Word



GHS05, GHS09

Caution Statement

P260; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338

Hazard Declaration

H314; H410


Appearance & Physical State

clear to white flakes



Boiling Point


Melting Point


Flash Point

NotºConsidered to be a fire hazard

Refractive Index

n20/D 1.62(lit.)

Water Solubility

120 g/100 mL (20 ºC)


Stable, but moisture sensitive. Incompatible with water, strong bases. Note that the Merck Index states that this material is hydrolytically unstable in aqueous solution below 30% by weight. Decomposition products include carbon monoxide and carbon dioxide

Storage Condition


Vapor Density

<1 (vs air)

Vapor Pressure

1 mm Hg ( 51 °C)

Numbering system

MDL number


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What is trichloroacetate anion?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is TCA which has developed particularly rapidly in recent years. Do you know about TCA?

The official answer:TCA, also known as trichloroacetic acid, is an organic compound with the chemical formula C2HCl3O2, has a pungent odour, is easily deliquescent and is soluble in water, ethanol and ether. It is mainly used in organic synthesis and in the manufacture of pharmaceuticals, chemical reagents and pesticides.

What’s the application of trichloroacetate anion?

TCA is used as a raw material for pharmaceuticals, herbicides (potassium trichloroacetate and sodium trichloroacetate, etc.), textile dyeing auxiliaries, metal surface treatment agents and raw materials for chlorides, anhydrides, amides, polyesters, organometallic salts, salicylic aldehydes and chlorocarboxylic acids. In addition, it is also used in medicine as a corrosive chemicalbook etching agent and keratinolytic agent, reagent for bile pigments, protein precipitation reagent and other special applications. In the field of biochemistry, it can be used as a reagent for the separation and analysis of phosphoric acid compounds of living organisms, the determination of fluoride and lipids, as well as a fixing agent for microscopic photography, a decalcifying agent and a reagent for chromatographic analysis.


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