Trichloroacetic anhydride

Basic Information

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CAS Number

4124-31-6

Molecular Formula

C4Cl6O3

Molecular Weight

308.76 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Boiling Point

116°C/23mmHg

Flash Point

98-100°C/11mm

Solubility

Miscible with ether and acetic acid.

Refractive Index

n20/D 1.484(lit.)

SMILES

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C(=O)(C(Cl)(Cl)Cl)OC(=O)C(Cl)(Cl)Cl

InChI

InChI=1S/C4Cl6O3/c5-3(6,7)1(11)13-2(12)4(8,9)10

InChIKey

MEFKFJOEVLUFAY-UHFFFAOYSA-N

LogP

2.7965999999999998

Topological Polar Surface Area

43.370000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

201

Safety Information

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Hazard Statement

H290 May be corrosive to metals
Corrosive to Metals

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Stability

Stable. Moisture sensitive - store under dry atmosphere. Incompatible with strong bases, strong oxidizing agents.

Sensitiveness

Moisture Sensitive

Synonyms & References

English

(2,2,2-trichloroacetyl) 2,2,2-trichloroacetate
F17738
trichloroaceticanhydride
trichloroacetic acid anhydride
Acetic acid, 2,2,2-trichloro-, 1,1'-anhydride
4124-31-6
DTXSID00871055
SCHEMBL150679
Trichloroacetyl 2,2,2-trichloroacetate
MFCD00000793
AKOS015913144
Acetic acid, trichloro-, anhydride
Perchloroacetic Anhydride
Acetic acid, trichloro-, anhydride; Trichloracetic anhydride; Trichloroacetic acid anhydride
T0792
Trichloroacetic anhydride, technical grade, 95%
2,2,2-trichloroacetic anhydride
EINECS 223-925-3
NS00049041
EN300-65255
TRICHLOROACETIC ANHYDRIDE
BS-23876
Trichloroacetic anhydride, 99%
trichloroacetic anhydride
MEFKFJOEVLUFAY-UHFFFAOYSA-N
Trichloroacetic anhydride, 95%
Bis(trichloroacetic)anhydride

MDL Number

MFCD00000793

Customs Code

2915900090

FAQ

What are the physical and chemical properties of Trichloroacetic anhydride (CAS: 4124-31-6)?

Trichloroacetic anhydride is a white crystalline solid with a molecular weight of 165.48 g/mol. It is poorly soluble in water but soluble in organic solvents. It is a reactive compound, readily hydrolyzing to trichloroacetic acid. It has a sharp, irritating odor and is used in organic synthesis and analytical chemistry.

How is Trichloroacetic anhydride (CAS: 4124-31-6) typically synthesized?

Trichloroacetic anhydride is typically synthesized by the dehydration of trichloroacetic acid. This is achieved by heating trichloroacetic acid under anhydrous conditions, often catalyzed by a strong acid. The reaction is exothermic, and the yield is generally high.

What industries use Trichloroacetic anhydride (CAS: 4124-31-6)?

Trichloroacetic anhydride is used in the pharmaceutical industry for the synthesis of various drugs, in polymer chemistry for modifying polymers, and in the semiconductor industry for etching processes. It is also used in analytical chemistry as a derivatizing agent.

What precautions should be taken when handling Trichloroacetic anhydride (CAS: 4124-31-6)?

When handling Trichloroacetic anhydride, appropriate personal protective equipment (PPE) such as gloves, goggles, and a respirator should be worn. It should be used in a well-ventilated area, preferably under a fume hood. Spills should be handled with suitable absorbent materials, and the area should be flushed with water. Always consult the Safety Data Sheet (SDS) for detailed safety information.