1,1a,3,3a,4,5,5,5a,5b,6-Decachloro-octahydro-1,3,4-metheno-2H-cyclobuta(cd)pentalen-2-one
Kepone
Decachloroketone
C10Cl10O
Molecular mass: 490.6
ICSC # 1432
CAS # 143-50-0
RTECS # PC8575000
UN # 2761
EC # 606-019-00-6
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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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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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AVOID ALL CONTACT!
AVOID Exposure OF (PREGNANT) WOMEN!
AVOID Exposure OF BREASTFEEDING WOMEN!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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Loss of movement co-ordination.
Headache.
Tremor.
Weakness.
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Local exhaust or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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MAY BE ABSORBED!
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Protective clothing.
Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
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•Eyes
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Face shield.
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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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(See Inhalation).
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Induce vomiting (ONLY IN CONSCIOUS PERSONS!).
See Notes.
Give a slurry of activated charcoal in water to drink.
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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Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
Do NOT let this chemical enter the environment.
(Extra personal protection: P3 filter respirator for toxic particles.)
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Provision to contain effluent from fire extinguishing.
Separated from
acids.
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Airtight.
Do not transport with food and feedstuffs.
Marine pollutant.
T symbol
N symbol
R: 24/25-40-50/53
S: 1/2-22-36/37-45-60-61
UN Hazard Class: 6.1
UN Packing Group: II
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Important Data
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Physical State; Appearance:
WHITE
CRYSTALS
Physical Dangers:
Chemical Dangers:
On combustion, forms chlorine fumes andhydrogen chloride.
The substance decomposes
on contact with
acids
producing
toxic fumes
.
Occupational Exposure Limits:
TLV not established.
MAK:
Carcinogen category: 3B;
(DFG 2002).
OSHA PEL: none
NIOSH REL: Ca TWA 0.001 mg/m3 See Appendix A
NIOSH IDLH: Ca N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
through the skin,
by ingestion
and
by inhalation.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance may cause effects on the
central nervous system
and
liver
, resulting in
impaired functions
and
liver impairment
.
The effects may be delayed.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact with skin may cause dermatitis.
The substance may have effects on the
endocrine system
.
This substance is possibly carcinogenic to humans.
Causes toxicity to human reproduction or development.
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Physical
Properties
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Sublimation point: 350°C
(decomposes)
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Solubility in water, g/100 ml at 20°C: poor
Octanol/water partition coefficient as log Pow: 3.45
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Environmental
Data
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The substance is very toxic to aquatic organisms.
Bioaccumulation of this chemical may occur in fish, in mammals and in milk.
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N O T E S
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Carrier solvents used in commercial formulations may change physical and toxicological properties.
Do NOT take working clothes home.
Consult national legislation.
Transport Emergency Card: TEC (R)-61GT7-II
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ADDITIONAL INFORMATION
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ICSC: 1432
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CHLORDECONE
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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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