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T54801

Sigma-Aldrich

2,2,2-Trichloroethanol

ReagentPlus®, ≥99%

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Synonym(s):
Trichloroethyl alcohol
Linear Formula:
Cl3CCH2OH
CAS Number:
Molecular Weight:
149.40
Beilstein/REAXYS Number:
1697495
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

5.16 (vs air)

Quality Level

vapor pressure

1 mmHg ( 20 °C)

product line

ReagentPlus®

assay

≥99%

refractive index

n20/D 1.49 (lit.)

bp

152-154 °C (lit.)

mp

17.8 °C (lit.)

density

1.56 g/mL at 20 °C (lit.)

SMILES string

OCC(Cl)(Cl)Cl

InChI

1S/C2H3Cl3O/c3-2(4,5)1-6/h6H,1H2

InChI key

KPWDGTGXUYRARH-UHFFFAOYSA-N

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Application

The 2,2,2-Trichloroethyl (TCE) moiety of 2,2,2-trichloroethanol is mainly used as a protecting group for acids, acetals and also phosphoryl groups of nucleotides. It can be easily cleaved by zinc reduction.
Some of its other application include:
  • Conversion of per-O-acetylated sugars to per-O-acetylated trichloroethyl derivatives.
  • Preparation of TCE ester of chlorosulfuric acid.
  • Preparation of 2,2,2-trichloroethyl acetimidate hydrochloride.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - STOT SE 3

target_organs

Central nervous system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

230.0 °F - closed cup

flash_point_c

110 °C - closed cup

ppe

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


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