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296104

1,2,4-Trichlorobenzene

anhydrous, ≥99%

Synonym(s):

1,2,4-TCB

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About This Item

Empirical Formula (Hill Notation):
C6H3Cl3
CAS Number:
120-82-1
Molecular Weight:
181.45
UNSPSC Code:
12352101
NACRES:
NA.21
PubChem Substance ID:
57648386
EC Number:
204-428-0
Beilstein/REAXYS Number:
956819
MDL number:
MFCD00000547
Assay:
≥99%
Grade:
anhydrous
Bp:
214 °C (lit.)
Vapor pressure:
1 mmHg ( 40 °C)
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grade

anhydrous

Quality Segment

100

vapor density

>6 (vs air)

vapor pressure

1 mmHg ( 40 °C)

assay

≥99%

form

solid or liquid

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.)

SMILES string

Clc1ccc(Cl)c(Cl)c1

InChI

1S/C6H3Cl3/c7-4-1-2-5(8)6(9)3-4/h1-3H

InChI key

PBKONEOXTCPAFI-UHFFFAOYSA-N

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

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pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Irrit. 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113.0 °C - closed cup

ppe

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

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