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Safety Information

8.03238

Sigma-Aldrich

1,2-Dichlorobenzene

for synthesis

Synonym(s):

1,2-Dichlorobenzene, o-Chlorobenzene

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About This Item

Linear Formula:
1,2-(Cl)2C6H4
CAS Number:
Molecular Weight:
147.00
MDL number:
UNSPSC Code:
12352101
EC Index Number:
202-425-9
NACRES:
NA.22

vapor pressure

1.33 hPa ( 20 °C)

Quality Level

Assay

≥98% (GC)

form

liquid

autoignition temp.

640 °C

potency

500 mg/kg LD50, oral (Rat)
>10000 mg/kg LD50, skin (Rabbit)

expl. lim.

2.2-12 % (v/v)

bp

180 °C/1013 hPa

mp

-17 °C

transition temp

flash point 66 °C

solubility

0.13 g/L

density

1.31 g/cm3 at 20 °C

storage temp.

2-30°C

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 for synthesis. CAS 95-50-1, chemical formula 1,2-(Cl)₂C₆H₄.

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.305 - 1.307
Identity (IR): passes test

Pictograms

Exclamation markEnvironment

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

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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