1,2-Diphenylbenzene
o-Diphenylbenzene
C18H14
Molecular mass: 230.31
ICSC # 1525
CAS # 84-15-1
RTECS # WZ6472000
|
|
Types of Hazard/ Exposure
|
Acute Hazards/ Symptoms
|
Prevention
|
First Aid/
Fire Fighting
|
|
FIRE
|
Combustible.
|
NO open flames.
|
Water spray,
dry powder,
carbon dioxide.
|
|
Explosion
|
|
|
|
|
|
|
Exposure
|
|
|
|
|
•Inhalation
|
Cough.
Sore throat.
|
Local exhaust or breathing protection.
|
Fresh air, rest.
Refer for medical attention.
|
|
•Skin
|
|
Protective gloves.
|
Remove contaminated clothes.
Rinse and then wash skin with water and soap.
|
|
•Eyes
|
Redness.
Pain.
|
Safety goggles,
or eye protection in combination with breathing protection.
|
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
|
|
•Ingestion
|
Diarrhoea.
Nausea.
Vomiting.
|
Do not eat, drink, or smoke during work.
|
Rinse mouth.
Give plenty of water to drink.
Refer for medical attention.
|
|
Spillage Disposal
|
Storage
|
Packaging & Labelling
|
Vacuum spilled material
OR
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.
Personal protection: P2 filter respirator for harmful particles.
|
|
|
|
|
|
Important Data
|
Physical State; Appearance:
COLOURLESS TO LIGHT-YELLOW CRYSTALS
Physical Dangers:
Chemical Dangers:
On combustion, forms toxic fumesincludingcarbon monoxide.
Occupational Exposure Limits:
TLV: (as terphenyls) 5 mg/m3 (Ceiling value); (ACGIH 2004).
MAK not established.
OSHA PEL: C 9 mg/m3 (1 ppm)
NIOSH REL: C 5 mg/m3 (0.5 ppm)
NIOSH IDLH: 500 mg/m3 See: IDLH INDEX
|
Routes of Exposure:
The substance can be absorbed into the body
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
is irritating to
the eyes
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
|
|
Physical
Properties
|
Boiling point: 332°C
Melting point: 56.2°C
Relative density (water = 1): 1.1
Solubility in water: none
Vapour pressure, Pa at 25°C: 0.0033
|
Relative vapour density (air = 1): 7.9
Relative density of the vapour/air-mixture at 20°C (air = 1): <0.9
Flash point: 163°C o.c.
Octanol/water partition coefficient as log Pow: 5.5
|
|
Environmental
Data
|
Bioaccumulation of this chemical may occur in fish.
|
|
N O T E S
|
|
The occupational exposure limit value should not be exceeded during any part of the working exposure.
|
|
ADDITIONAL INFORMATION
|
|
|
|
ICSC: 1525
|
o-TERPHENYL
|
|
(C) IPCS, CEC, 1994
|
|
|
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.
|
|
|