3,5,6-Trichloro-2-pyridyloxyacetic acid
C7H4Cl3NO3
Molecular mass: 256.5
ICSC # 1100
CAS # 55335-06-3
RTECS # AJ9000000
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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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Not combustible.
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In case of fire in the surroundings: use appropriate extinguishing media.
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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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Local exhaust.
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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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Remove contaminated clothes.
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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First 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: P1 filter respirator for inert particles.
Sweep spilled substance into containers.
Wash away remainder with plenty of water.
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Keep in the dark.
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Important Data
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Physical State; Appearance:
WHITE
OR
COLOURLESS
FLUFFY CRYSTALS
Physical Dangers:
Chemical Dangers:
The substance decomposes on heating
and
under the influence of UV light
producing toxic and corrosive fumes,
including
hydrogen chloride
(See ICSC 0163)
and
nitrogen dioxide
(See ICSC 0930)
.
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 of its aerosol,
through the skin
and
by ingestion
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Inhalation Risk:
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed
Effects of Short-Term Exposure:
May cause mechanical irritation.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point (decomposes): 208°C
Melting point: 148-150°C
Density: 1.85
g/cm3
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Solubility in water, g/100 ml at 25°C: 0.04 (none)
Vapour pressure, Pa at 25°C: negligible
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
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Environmental
Data
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This substance does enter the environment under normal use. Great care, however, should be given to avoid any additional release, e.g. through inappropriate disposal.
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 1100
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TRICLOPYR
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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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