4-Chlorophenyl 2,4,5-trichlorophenyl sulfone
1,2,4-Trichloro-5-((4-chlorophenyl)sulfonyl)-benzene
2,4,4',5-Tetrachlorodiphenyl sulfone
C12H6Cl4O2S / (C6H2Cl3)OSO(C6H4Cl)
Molecular mass: 356
ICSC # 0747
CAS # 116-29-0
RTECS # WR5850000
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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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Alcohol-resistant foam,
powder, carbon dioxide.
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Explosion
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Risk of fire and explosion if formulations contain flammable/explosive solvents.
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Ventilation.
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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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Redness.
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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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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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Do NOT wash away into sewer.
Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
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Provision to contain effluent from fire extinguishing.
Separated from
food and feedstuffs.
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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 CRYSTALS.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating and
on burning
producing toxic fumes including sulfur oxides, hydrogen chloride.
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of dust.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the kidneys and liver.
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Physical
Properties
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Melting point: 148-149°C
Relative density (water = 1): 1.5
Solubility in water, g/100 ml at 20°C: none
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Vapour pressure, Pa at 20°C: <0.001
Octanol/water partition coefficient as log Pow: 4.6
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Environmental
Data
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The substance is very toxic to aquatic organisms.
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.
Acaroil TD, Acarvin, Agrex T-7.5, Akaritox, Aracnol K, Aredion, Mitifon, Mition, Polacaritox, Roztoczol, Roztozol, Tedion V-18, Tetradichlone, Tetranol V18 are trade names.
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ADDITIONAL INFORMATION
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ICSC: 0747
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TETRADIFON
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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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