Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content
NIOSH

1,3-DICHLORO-4-NITROBENZENE

ICSC: 0252

2,4-Dichloro-1-nitrobenzene
2,4-Dichloronitrobenzene
4-Nitro-1,3-dichlorobenzene
C6H3Cl2NO2
Molecular mass: 192
ICSC # 0252 		CAS # 611-06-3
RTECS # CZ5420000
UN # 1578 (s); 3409 (l)
April 10, 2008 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Powder, water spray, foam, carbon dioxide.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

•INHALATION Cough.
Ventilation (not if powder).
Fresh air, rest.
•SKIN
Protective gloves.
Rinse and then wash skin with water and soap.
•EYES Redness.
Safety spectacles.
Rinse with plenty of water (remove contact lenses if easily possible).
•INGESTION
Do not eat, drink, or smoke during work.
Rinse mouth.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Personal protection: particulate filter adapted to the airborne concentration of the substance. Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting. Do NOT let this chemical enter the environment.
Separated from bases, strong oxidants and food and feedstuffs. Provision to contain effluent from fire extinguishing.
Do not transport with food and feedstuffs.
UN Hazard Class: 6.1
UN Packing Group: II
ICSC: 0252 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

1,3-DICHLORO-4-NITROBENZENE

ICSC: 0252

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
YELLOW CRYSTALS OR LIQUID 2007: m.p. 30-34 °C

PHYSICAL DANGERS:


CHEMICAL DANGERS:
On contact with hot surfaces or flames this substance decomposes forming toxic and corrosive fumes of nitrogen oxides and hydrogen chloride (see ICSC 0163). Reacts with strong oxidants and strong bases .

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK not established.


ROUTES OF EXPOSURE:


INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:


EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point: 258.5°C
Melting point: 30-33°C
Relative density (water = 1): 1.54
Solubility in water, g/100 ml at 20°C: 1.88
Vapour pressure, Pa at 20°C: 1
Relative vapour density (air = 1): 6.6
Flash point: 112°C
Auto-ignition temperature: 500°C
Octanol/water partition coefficient as log Pow: 3.1

ENVIRONMENTAL
DATA

It is strongly advised that this substance does not enter the environment. See Notes.

N O T E S

Health effects of exposure to the substance have not been investigated adequately. Environmental effects from the substance have not been investigated adequately.
Transport Emergency Card: TEC (R)-61S1578 (solid); 61GT1-II (liquid)

ADDITIONAL INFORMATION



ICSC: 0252 1,3-DICHLORO-4-NITROBENZENE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
Top