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)
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Cough.
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Ventilation (not if powder).
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
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Safety spectacles.
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Rinse with plenty of water (remove contact lenses if easily possible).
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•Ingestion
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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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.
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Separated from
bases,
strong oxidants
and
food and feedstuffs.
Provision to contain effluent from fire extinguishing.
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Do not transport with food and feedstuffs.
UN Hazard Class: 6.1
UN Packing Group: II
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Important Data
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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.
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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:
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Physical
Properties
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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
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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
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Environmental
Data
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It is strongly advised that this substance does not enter the environment.
See Notes.
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N O T E S
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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)
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ADDITIONAL INFORMATION
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ICSC: 0252
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1,3-DICHLORO-4-NITROBENZENE
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(C) IPCS, CEC, 1994
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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.
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