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Key Documents

Safety Information

8.20445

Sigma-Aldrich

1,2-Dichloro-4-nitrobenzene

for synthesis

Synonym(s):

1,2-Dichloro-4-nitrobenzene, 3,4-Dichloro-1-nitrobenzene, 1-Nitro-3.4-dichlorine benzene

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About This Item

Empirical Formula (Hill Notation):
C6H3Cl2NO2
CAS Number:
Molecular Weight:
192.00
MDL number:
UNSPSC Code:
12352101
EC Index Number:
202-764-2

vapor pressure

0.01 hPa ( 20 °C)

Quality Level

Assay

≥98.0% (GC)

form

crystals

autoignition temp.

420 °C

potency

643 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rat)

bp

255-256 °C/1013 hPa

mp

38-41 °C

transition temp

flash point 123 °C

density

1.48 g/cm3 at 55 °C

bulk density

750 kg/m3

storage temp.

2-30°C

InChI

1S/C6H3Cl2NO2/c7-5-2-1-4(9(10)11)3-6(5)8/h1-3H

InChI key

NTBYINQTYWZXLH-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 38 °C
Melting range (upper value): ≤ 41 °C
Identity (IR): passes test

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

255.2 °F - closed cup

Flash Point(C)

124 °C - closed cup

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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