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T54801 Sigma-Aldrich

2,2,2-Trichloroethanol

ReagentPlus®, ≥99%

Synonym: Trichloroethyl alcohol

  • CAS Number 115-20-8

  • Linear Formula Cl3CCH2OH

  • Molecular Weight 149.40

  •  Beilstein Registry Number 1697495

  •  EC Number 204-071-0

  •  MDL number MFCD00004677

  •  PubChem Substance ID 24900284

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Properties

Related Categories Alcohols, Building Blocks, C2 to C6, Chemical Synthesis, Organic Building Blocks,
grade   ReagentPlus®
vapor density   5.16 (vs air)
vapor pressure   1 mmHg ( 20 °C)
InChI Key   KPWDGTGXUYRARH-UHFFFAOYSA-N
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.)

Description

Packaging

100, 500 g in glass bottle

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 Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
KM3850000
Flash Point(F) 
230 °F
Flash Point(C) 
110 °C

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