Cyclododecane, hexabromo-isomers
C12H18Br6
Molecular mass: 641.7
ICSC # 1413
CAS # 25637-99-4
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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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AVOID ALL CONTACT!
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•Inhalation
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Ventilation.
Local exhaust.
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Fresh air, rest.
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•Skin
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Protective gloves.
Protective clothing.
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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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Rinse mouth.
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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 covered containers.
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Important Data
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Physical State; Appearance:
WHITE
SOLID IN VARIOUS FORMS.
Physical Dangers:
Chemical Dangers:
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.
Inhalation Risk:
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
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Physical
Properties
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Boiling point (decomposes): 230°C
Melting point: 178-183°C
Density: 1050
kg/m3
Solubility in water, g/100 ml at 20°C: 0.002
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Vapour pressure, Pa at 20°C: 0.0002
(calculated)
Octanol/water partition coefficient as log Pow: 7.59
(calculated)
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Environmental
Data
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Bioaccumulation of this chemical may occur along the food chain, for example in fish.
The substance may cause long-term effects in the aquatic environment.
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 1413
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HEXABROMOCYCLODODECANE (MIXTURE OF ISOMERS)
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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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