Hydrogenated diphenylbenzenes
Hydrogenated phenylbiphenyls
(C6H7)3
Molecular mass: 241-average
ICSC # 1249
CAS # 61788-32-7
RTECS # WZ6535000
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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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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Exposure
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PREVENT GENERATION OF MISTS!
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•Inhalation
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Cough.
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Avoid inhalation of fine dust and mist.
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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Redness.
Pain.
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Protective gloves.
Protective clothing.
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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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Redness.
Pain.
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Safety goggles,
face shield,
or eye protection in combination with breathing protection.
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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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Burning sensation.
Cough.
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
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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Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
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Important Data
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Physical State; Appearance:
CLEAR, OILY, PALE YELLOW LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing acrid smoke and fumes.
Occupational Exposure Limits:
TLV: 0.5 ppm; 4.9 mg/m3 (as TWA) (ACGIH 1994-1995).
OSHA PEL: none
NIOSH REL: TWA 0.5 ppm (5 mg/m3)
NIOSH IDLH: N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
through the skin and
by ingestion.
Inhalation Risk:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
irritates the eyes, the skin and the respiratory tract.
Effects of Long-Term or Repeated Exposure:
The liquid defats the skin.
The substance may have effects on the kidneys and liver.
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Physical
Properties
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Boiling point: 340°C
Relative density (water = 1): 1.00
Solubility in water: none
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Vapour pressure, Pa at 25°C: 13
Flash point: 157°C c.c.
Auto-ignition temperature: 374°C
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Environmental
Data
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N O T E S
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This compound is a complex mixture of various isomers.
Do NOT take working clothes home.
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ADDITIONAL INFORMATION
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ICSC: 1249
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HYDROGENATED TERPHENYLS (40% HYDROGENATED)
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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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