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367710

Trichloroacetic anhydride

technical grade, 95%

Synonym(s):

(2,2,2-Trichloroacetyl) 2,2,2-trichloroacetate, Trichloroacetic acid anhydride

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About This Item

Linear Formula:
(Cl3CCO)2O
CAS Number:
4124-31-6
Molecular Weight:
308.76
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24862827
EC Number:
223-925-3
Beilstein/REAXYS Number:
980355
MDL number:
MFCD00000793
Assay:
95%
Form:
liquid
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grade

technical grade

Quality Segment

assay

95%

form

liquid

refractive index

n20/D 1.484 (lit.)

bp

139-141 °C/60 mmHg (lit.)

density

1.69 g/mL at 25 °C (lit.)

functional group

anhydride, chloro, ester

SMILES string

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

InChI

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

InChI key

MEFKFJOEVLUFAY-UHFFFAOYSA-N

General description

Trichloroacetic anhydride is reported to be an efficient derivatization reagent, since it produces stable derivatives having both a higher mass fragmentation pattern and lesser volatility than derivatives of trifluoroacetic anhydride (TFAA) or heptafluorobutyric anhydride (HFBA). The interaction of thymidine 5′-phosphate with trichloroacetic anhydride in dimethylformamide and acetonitrile in the presence of tertiary amines hs been studied.

Application

Trichloroacetic anhydride may be used as derivatization reagent for the following studies:
  • Simultaneous analysis of amphetamine, methamphetamine and 3,4-methylenedioxymethamphetamine (MDMA or Ecstasy) in urine samples by solid-phase extraction, derivatization and gas chromatography/mass spectrometry.
  • Analysis of halogenated amphetamines in brain tissue from rats by gas chromatography with electron-capture detection (GC-ECD).
  • Quantitative determination of the metabolites of l-alpha-acetylmethadol (LAAM), such as noracetylmethadol, dinoracetylmethadol, methadol and normethadol by electron capture gas-liquid chromatography.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Codes

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Skin Corr. 1A

Storage Class

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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