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240664

1,2-Dichlorobenzene

anhydrous, 99%

Synonym(s):

o-DCB, o-dichlorobenzene

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About This Item

Empirical Formula (Hill Notation):
C6H4Cl2
CAS Number:
95-50-1
Molecular Weight:
147.00
UNSPSC Code:
12352101
NACRES:
NA.21
PubChem Substance ID:
57648050
EC Number:
202-425-9
Beilstein/REAXYS Number:
606078
MDL number:
MFCD00000535
Assay:
99%
Grade:
anhydrous
Bp:
178-180 °C (lit.)
Vapor pressure:
1.2 mmHg ( 20 °C), 1.6 mmHg ( 35 °C)
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grade

anhydrous

Quality Segment

100

vapor density

5.1 (vs air)

vapor pressure

1.2 mmHg ( 20 °C), 1.6 mmHg ( 35 °C)

assay

99%

form

liquid

autoignition temp.

1198 °F

expl. lim.

9.2 %

impurities

<0.003% water, <0.005% water (100 mL pkg)

evapn. residue

<0.0003%

refractive index

n20/D 1.551 (lit.)

bp

178-180 °C (lit.)

mp

−18-−17 °C (lit.)

density

1.306 g/mL at 25 °C (lit.)

SMILES string

Clc1ccccc1Cl

InChI

1S/C6H4Cl2/c7-5-3-1-2-4-6(5)8/h1-4H

InChI key

RFFLAFLAYFXFSW-UHFFFAOYSA-N

Application

1,2-Dichlorobenzene may be used as a starting material in the synthesis of (phenyl)[2-(trimethylsilyl)phenyl]iodonium triflates and 1,2-dibutylbenzene.

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pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

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

wgk

WGK 2

flash_point_f

150.8 °F - closed cup

flash_point_c

66.0 °C - closed cup

ppe

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

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