Diphenyl oxide
Phenoxybenzene
1,1'-Oxybisbenzene
Phenyl ether
C12H10O / C6H5OC6H5
Molecular mass: 170.2
ICSC # 0791
CAS # 101-84-8
RTECS # KN8970000
UN # 3077
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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.
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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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•Inhalation
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Cough.
Headache.
Nausea.
Sore throat.
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Ventilation.
Local exhaust.
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Fresh air, rest.
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•Skin
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Dry skin.
Redness.
Pain.
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Protective gloves.
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Remove contaminated clothes.
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 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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Abdominal pain.
Diarrhoea.
Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give a slurry of activated charcoal in water to drink.
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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.
If solid: Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Do NOT let this chemical enter the environment.
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Separated from
strong oxidants.
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UN Hazard Class: 9
UN Packing Group: III
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID
OR CRYSTALS
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
Reacts with strong oxidants.
Occupational Exposure Limits:
TLV (for vapour): 1 ppm; 7 mg/m3 (as TWA) 2 ppm; 14 mg/m3 (STEL) (ACGIH 1997).
MAK: 1 ppm, 7.1 mg/m3
Peak limitation category: I(1) Pregnancy risk group: C
(DFG 2006).
OSHA PEL: TWA 1 ppm (7 mg/m3)
NIOSH REL: TWA 1 ppm (7 mg/m3)
NIOSH IDLH: 100 ppm See: 101848
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation and
by ingestion.
Inhalation Risk:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The aerosol of this substance
irritates
the eyes and
the respiratory tract.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact with skin may cause dermatitis.
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Physical
Properties
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Boiling point: 257°C
Melting point: 28°C
Relative density (water = 1): 1.08
Solubility in water, g/100 ml at 25°C: 0.002
Vapour pressure, Pa at 25°C: 2.7
Relative vapour density (air = 1): 5.9
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 115°C c.c. 96°C o.c.
Auto-ignition temperature: 610°C
Explosive limits, vol% in air: 0.8-1.5
Octanol/water partition coefficient as log Pow: 4.21
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Environmental
Data
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The substance is very toxic to aquatic organisms.
In the food chain important to humans, bioaccumulation takes place, specifically in 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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Health effects of exposure to the substance have not been investigated.
The substance has a strong disagreeable odour which may cause nausea.
Card has been partly updated in October 2006. See section: Occupational Exposure Limits.
Transport Emergency Card: TEC (R)-90G02
NFPA Code: H1; F1; R0;
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ADDITIONAL INFORMATION
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ICSC: 0791
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DIPHENYL ETHER
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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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