2,3,5,6-Tetrachloro-p-benzoquinone
2,3,5,6-Tetrachloro-2,5-cyclohexadiene-1,4-dione
Tetrachloro-p-benzoquinone
Tetrachloro-p-quinone
C6Cl4O2
Molecular mass: 245.9
ICSC # 0780
CAS # 118-75-2
RTECS # DK6825000
EC # 602-066-00-1
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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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Not combustible.
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: use appropriate extinguishing media.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
AVOID Exposure OF ADOLESCENTS AND CHILDREN!
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•Inhalation
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Cough.
Sore throat.
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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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Redness.
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Protective gloves.
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Rinse and then wash skin with water and soap.
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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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Diarrhoea.
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rest.
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.
Do NOT let this chemical enter the environment.
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.
Xi symbol
N symbol
R: 36/38-50/53
S: 2-37-60-61
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Important Data
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Physical State; Appearance:
YELLOW
SOLID IN VARIOUS FORMS.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing toxic fumesincludinghydrogen 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 dusts
and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
,
the skin
and
the respiratory tract
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The substance may cause effects on the central nervous system.
Exposure at high level may result in unconsciousness.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point: 290°C
Relative density (water = 1): 2.0
Solubility in water:
none
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Vapour pressure, Pa at 25°C: < 0.001
Relative vapour density (air = 1): 8.5
Octanol/water partition coefficient as log Pow: 3-4.9
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Environmental
Data
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This substance may be hazardous to the environment; special attention should be given to fish.
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.
Conversan, Dow Seed Disinfectant n°5, Psorisan, Reranil, Spergon, Vulklor are trade names.
Card has been partly updated in October 2004. See sections Occupational Exposure Limits, EU classification, Emergency Response.
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ADDITIONAL INFORMATION
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ICSC: 0780
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CHLORANIL
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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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