p-Nitrobiphenyl
p-Nitrodiphenyl
C12H9NO2
Molecular mass: 199.2
ICSC # 1395
CAS # 92-93-3
RTECS # DV5600000
EC # 609-039-00-3
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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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Water spray.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
STRICT HYGIENE!
AVOID ALL CONTACT!
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•Inhalation
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See EFFECTS OF LONG-TERM OR REPEATED Exposure.
See Notes.
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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 gloves.
Protective clothing.
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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.
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Safety spectacles
or
eye protection in combination with breathing protection if powder.
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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.
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 sealable containers.
Carefully collect remainder,
then remove to safe place.
Do NOT let this chemical enter the environment.
Personal protection: P3 filter respirator for toxic particles.
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Separated from
strong reducing agents
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Well closed.
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T symbol
N symbol
R: 45-51/53
S: 53-45-61
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Important Data
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Physical State; Appearance:
WHITE
TO YELLOW
CRYSTALS
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic gases
.
Reacts
with
strong reducing agents
causing toxic hazard.
Occupational Exposure Limits:
TLV: (skin); A2 (suspected human carcinogen); (ACGIH 2004).
MAK: skin absorption (H);
Carcinogen category: 2;
(DFG 2004).
OSHA PEL: 1910.1003 See Appendix B
NIOSH REL: Ca 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
by inhalation,
through the skin
and
by ingestion.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
.
Effects of Long-Term or Repeated Exposure:
This substance is probably carcinogenic to humans.
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Physical
Properties
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Boiling point: 340°C
Melting point: 114°C
Solubility in water:
very poor
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Flash point: 143°C c.c.
Octanol/water partition coefficient as log Pow: 3.77
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Environmental
Data
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The substance is toxic to aquatic organisms.
The substance may cause long-term effects in the aquatic environment.
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N O T E S
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Similar substances have caused methemoglobinemia, but there are no data available for this substance.
Depending on the degree of exposure, periodic medical examination is suggested.
Do NOT take working clothes home.
Card has been partly updated in April 2005. See section Occupational Exposure Limits.
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ADDITIONAL INFORMATION
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ICSC: 1395
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4-NITROBIPHENYL
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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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