2-Methyl-1,4-dinitrobenzene
2,5-DNT
Toluene, 2,5-dinitro-
C7H6N2O4
Molecular mass: 182.14
ICSC # 1591
CAS # 619-15-8
RTECS # XT1750000
UN # 3454
EC # 609-055-00-0
po, ned from Geneva
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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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Finely dispersed particles form explosive mixtures in air.
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Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
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In case of fire: keep drums, etc., cool by spraying with water.
Combat fire from a sheltered position.
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Exposure
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AVOID ALL CONTACT!
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•Inhalation
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Cough.
Sore throat.
Blue lips or finger nails.
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Local exhaust or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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MAY BE ABSORBED!
Redness.
Pain.
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Protective clothing.
Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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Safety goggles
.
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Rinse with plenty of water (remove contact lenses if easily possible).
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•Ingestion
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Blue lips or fingernails.
Blue skin.
Dizziness.
Headache.
Nausea.
Confusion.
Convulsions.
Unconsciousness.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give a slurry of activated charcoal in water to drink.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Consult an expert!
Personal protection: Chemical protection suit including self-contained breathing apparatus.
Sweep spilled substance into sealable containers.
Carefully collect remainder,
then remove to safe place.
Do NOT let this chemical enter the environment.
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Fireproof.
Separated from
strong oxidants,
food and feedstuffs
,
and
incompatible materials
.
See Chemical Dangers.
Well closed.
Keep in a well-ventilated room.
Store in an area without drain or sewer access.
Provision to contain effluent from fire extinguishing.
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Unbreakable packaging; put breakable packaging into closed unbreakable container.
Do not transport with food and feedstuffs.
Severe marine pollutant.
Note: E
T symbol
N symbol
R: 45-23/24/25-48/22-62-68-51/53
S: 53-45-61
UN Hazard Class: 6.1
UN Packing Group: II
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Important Data
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Physical State; Appearance:
YELLOWTO ORANGE-YELLOW CRYSTALS
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Dust explosion possible if in powder or granular form, mixed with air.
Chemical Dangers:
May explode on heating.
The substance decomposes
on heating
producing
toxic fumes
,
including
nitrogen oxides
even in absence of air (see ICSC 0727).
Reacts with strong oxidants.
Reacts
with
reducing agents
,
strong bases
,
amines
,
zinc
,
and tin.
Occupational Exposure Limits:
TLV: as mixture 0.2 mg/m3 as TWA (skin) A3 (confirmed animal carcinogen with unknown relevance to humans); BEI issued (ACGIH 2004).
MAK not established.
skin absorption (H);
Carcinogen category: 2
(DFG 2004).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation,
through the skin
and
by ingestion.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
,
the skin
and
the respiratory tract
.
The substance may cause effects on the
blood
,
resulting in
the formation of methaemoglobin.
The effects may be delayed.
Medical observation is indicated.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the blood
,
resulting in
the formation of methaemoglobin.
This substance is possibly carcinogenic to humans.
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Physical
Properties
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Boiling point: 284°C
Melting point: 52.5°C
Density: 1.3
g/cm3
Solubility in water, g/100 ml at 20°C: 0.03
(very poor)
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Relative vapour density (air = 1): 6.3
Flash point:
207°C c.c.
Octanol/water partition coefficient as log Pow: 2.03 (estimated)
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Environmental
Data
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The substance is toxic to aquatic organisms.
It is strongly advised that this substance does not enter the environment.
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N O T E S
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Combustion in a confined space may turn into detonation.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Do NOT take working clothes home.
See also ICSC0726 2,3-Dinitrotoluene; 0727 2,4-Dinitritoluene; 0728 2,6-Dinitrotoluene; 0729 3,4-Dinitrotoluene.
Transport Emergency Card: TEC (R)-61GT2-II
Transport Emergency Card: TEC (R)-61S3454
NFPA Code: H3; F1; R3;
Card has been partially updated in March 2008: see Environmental Data
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ADDITIONAL INFORMATION
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ICSC: 1591
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2,5-DINITROTOLUENE
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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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