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240664

Sigma-Aldrich

1,2-Dichlorobenzene

anhydrous, 99%

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Synonym(s):
o-DCB, o-dichlorobenzene
Empirical Formula (Hill Notation):
C6H4Cl2
CAS Number:
95-50-1
Molecular Weight:
147.00
Beilstein:
606078
EC Number:
202-425-9
MDL number:
MFCD00000535
PubChem Substance ID:
57648050
NACRES:
NA.21

grade

anhydrous

Quality Level

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

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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.

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

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 Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

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Da Young Hwang et al.
Nanotechnology, 28(2), 025603-025603 (2016-12-08)
We report that a high local strain was obtained for multilayer MoS2 nanoscrolls decorated with noble nanoparticles (Ag and Au NPs) using a rolling process beyond breaking or slipping of MoS2. The local strain was estimated through the bending strain in the nanoscrolls and
Critical light instability in CB/DIO processed PBDTTT-EFT: PC 71 BM organic photovoltaic devices.
Pearson AJ, et al.
Organic Electronics, 30, 225-236 (2016)
(Phenyl)[2?(Trimethylsilyl) Phenyl] Iodonium Triflate. An Efficient And Mild Benzyne Precursor
Kitamura T, et al.
Organic Syntheses, 78, 104-104 (2002)
Oxygen reduction at a water-1, 2-dichlorobenzene interface catalyzed by cobalt tetraphenyl porphyrine-A fuel cell approach.
Peljo P, et al.
International Journal of Hydrogen Energy, 36(16), 10033-10043 (2011)
Phosphine?Nickel Complex Catalyzed Cross?Coupling of Grignard Reagents with Aryl and Alkenyl Halides: 1, 2?Dibutylbenzene.
Kumada, M, et al.
Organic Syntheses, 58, 127-127 (1978)
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