1-(3,5-Dichloro-4-(1,1,2,2-tetrafluoroethoxy)phenyl)-3-(2,6-difluorobenzoyl)urea
C16H8Cl2F6N2O3
Molecular mass: 461.1
ICSC # 1266
CAS # 86479-06-3
RTECS # CV3800000
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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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Liquid formulations containing organic solvents may be flammable.
Gives off irritating or toxic fumes (or gases) in a fire.
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In case of fire in the surroundings: all extinguishing agents allowed.
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Explosion
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Exposure
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•Inhalation
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Avoid inhalation of fine dust and mist.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse skin with plenty of water or shower.
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•Eyes
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Safety spectacles.
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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.
Wash hands before eating.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Do NOT wash away into sewer.
Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
(Extra personal protection: P2 filter respirator for harmful particles).
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Provision to contain effluent from fire extinguishing.
Separated from
food and feedstuffs.
Well closed.
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Do not transport with food and feedstuffs.
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Important Data
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Physical State; Appearance:
COLOURLESS SOLID OR WHITE POWDER.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing toxic and corrosive fumes including nitrogen oxides, hydrogen chloride, hydrogen fluoride.
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation.
Inhalation Risk:
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the blood
, resulting in
formation of methaemoglobin.
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Physical
Properties
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Melting point: 202-205°C
Relative density (water = 1): 1.7
Solubility in water: none (<0.1 g/100ml)
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Vapour pressure, Pa at 25°C: negligible
Octanol/water partition coefficient as log Pow: 5.68
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Environmental
Data
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The substance is very toxic to aquatic organisms.
In the food chain important to humans, bioaccumulation takes place, specifically in fish.
The substance may cause long-term effects in the aquatic environment.
Avoid release to the environment in circumstances different to normal use.
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N O T E S
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If the substance is formulated with solvent(s) also consult the card(s) (ICSC) of the solvent(s).
Carrier solvents used in commercial formulations may change physical and toxicological properties.
Consult, Hexafluron, Trueno are trade names.
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ADDITIONAL INFORMATION
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ICSC: 1266
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HEXAFLUMURON
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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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