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296104 Sigma-Aldrich

1,2,4-Trichlorobenzene

anhydrous, ≥99%

Synonym: 1,2,4-TCB

  • CAS Number 120-82-1

  • Empirical Formula (Hill Notation) C6H3Cl3

  • Molecular Weight 181.45

  •  Beilstein/REAXYS Number 956819

  •  EC Number 204-428-0

  •  MDL number MFCD00000547

  •  PubChem Substance ID 57648386

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Properties

Related Categories Anhydrous Solvents, Solvent Bottles, Solvent Packaging Options, Solvent by Application, Solvents,
grade   anhydrous
vapor density   >6 (vs air)
vapor pressure   1 mmHg ( 40 °C)
InChI Key   PBKONEOXTCPAFI-UHFFFAOYSA-N
assay   ≥99%
autoignition temp.   1060 °F
expl. lim.   6.6 %, 150 °F
impurities   <0.002% water
  <0.005% water (100 mL pkg)
refractive index   n20/D 1.571 (lit.)
bp   214 °C(lit.)
mp   16 °C (lit.)
solubility   water: insoluble
density   1.454 g/mL at 25 °C (lit.)

Description

General description

1,2,4-Trichlorobenzene is a highly chlorinated aromatic solvent. It is mainly used as intermediate in dyes, pesticides and also as a lubricant.

Application

1,2,4-Trichlorobenzene may be used as a solvent to prepare:
• dimethylketene β-lactone dimer from tetramethyl-1,3-cyclobutanedione
• salicyl-o-toluide by the reaction of phenyl salicylate and o-toluidine

Packaging

1, 2 L in Sure/Seal™

100 mL in Sure/Seal™

Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
UN 2321 6.1 / PGIII
WGK Germany 
3
RTECS 
DC2100000
Flash Point(F) 
230 °F
Flash Point(C) 
110 °C

Documents

Certificate of Analysis

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Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

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Peer-Reviewed Papers
15

References

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