3,6-Dichloropyridine-2-carboxylic acid
3,6-Dichloropicolinic acid
3,6-DCP
C6H3Cl2NO2 / (C5H2N)Cl2COOH
Molecular mass: 192.0
ICSC # 0443
CAS # 1702-17-6
RTECS # TJ7550700
EC # 607-231-00-1
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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.
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NO open flames.
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Water spray, powder.
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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.
Sore throat.
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Local exhaust or breathing protection.
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Fresh air, rest.
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•Skin
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Redness.
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Protective gloves.
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•Eyes
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Redness.
Pain.
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Safety goggles.
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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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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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Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
(Extra personal protection: P1 filter respirator for inert particles).
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Do not store in aluminium containers.
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Xi symbol
N symbol
R: 41-51/53
S: 2-26-39-61
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Important Data
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Physical State; Appearance:
ODOURLESS
WHITE OR COLOURLESS CRYSTALS.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing toxic and corrosive fumes of nitrogen oxides and chlorine (see ICSC 0126).
Solutions are corrosive to aluminum, iron and tin.
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
through the skin
and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly.
Effects of Short-Term Exposure:
The substance
irritates
the eyes,
the skin
and
the respiratory tract.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point: 151-152°C
Solubility in water, g/100 ml at 20°C: poor
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Vapour pressure, Pa at 25°C: 0.002
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Environmental
Data
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Avoid release to the environment in circumstances different to normal use.
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N O T E S
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Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
Lontrel and Matrigon are trade names.
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ADDITIONAL INFORMATION
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ICSC: 0443
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CLOPYRALID
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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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