p-Dichloroaniline
1-Amino-2,5-dichlorobenzene
2,5-Dichlorobenzenamine
C6H5Cl2N
Molecular mass: 162.0
ICSC # 0142
CAS # 95-82-9
RTECS # BX2610000
UN # 1590
EC # 612-010-00-8
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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.
Heating will cause rise in pressure with risk of bursting.
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NO open flames.
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Powder, alcohol-resistant foam, water spray, carbon dioxide.
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Explosion
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In case of fire: cool drums, etc., by spraying with water but avoid contact of the substance with water.
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Blue skin.
Blue lips or finger nails.
Dizziness.
Headache.
Nausea.
Shortness of breath.
Confusion.
Convulsions.
Unconsciousness.
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Local exhaust or breathing protection.
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Fresh air, rest.
Artificial respiration may be needed.
Refer for medical attention.
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•Skin
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MAY BE ABSORBED!
(Further see Inhalation).
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Protective gloves.
Protective clothing.
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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.
Blurred vision.
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Safety goggles,
or face shield.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Abdominal pain.
(Further see Inhalation).
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
Give plenty of 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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Remove all ignition sources.
Do NOT wash away into sewer.
Sweep spilled substance into containers.
Carefully collect remainder,
then remove to safe place.
Chemical protection suit including self-contained breathing apparatus.
Do NOT let this chemical enter the environment.
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Separated from
strong oxidants,
food and feedstuffs
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Do not transport with food and feedstuffs.
Marine pollutant.
Note: C
T symbol
N symbol
R: 23/24/25-33-50/53
S: 1/2-28-36/37-45-60-61
UN Hazard Class: 6.1
UN Packing Group: II
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Important Data
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Physical State; Appearance:
COLOURLESS
TO BROWN
NEEDLE-LIKE CRYSTALS
OR FLAKES
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes at 380°C
on heating
or
on burning
producing
toxic fumes
including
nitrogen oxides
,
hydrogen chloride
- see ICSC0163.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation and through the skin
and
by ingestion.
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:
The substance
is severely irritating to
the eyes
.
The substance may cause effects on the
blood
, resulting in
the formation of methaemoglobin.
Exposure may result in death.
The effects may be delayed.
Medical observation is indicated.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
The substance may have effects on the
blood
, resulting in
formation of methaemoglobin.
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Physical
Properties
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Boiling point: 251°C
Melting point: 50°C
Density: 1.54
g/cm3
Solubility in water:
none
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Vapour pressure, Pa at 25°C: <1
Relative vapour density (air = 1): 5.6
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.01
Flash point: 139°C
Auto-ignition temperature: 540°C
Octanol/water partition coefficient as log Pow: 2.75
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Environmental
Data
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The substance is toxic to aquatic organisms.
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Card has been partly updated in October 2004. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-61S1590-S
NFPA Code: H3; F1; R0;
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ADDITIONAL INFORMATION
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ICSC: 0142
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2,5-DICHLOROANILINE
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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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