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4-NITROBIPHENYL ICSC: 1395
Date of Peer Review: March 2002

p-Nitrobiphenyl
p-Nitrodiphenyl
CAS # 92-93-3 C12H9NO2
RTECS # DV5600000 Molecular mass: 199.2
UN #
EC # 609-039-00-3
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Water spray.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST! STRICT HYGIENE! AVOID ALL CONTACT!

Inhalation See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE. See Notes.
Local exhaust or breathing protection.
Fresh air, rest. Refer for medical attention.
Skin MAY BE ABSORBED!
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes Redness.
Safety spectacles or eye protection in combination with breathing protection if powder.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
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.
EU Classification
Symbol: T, N
R: 45-51/53
S: 53-45-61
UN Classification

EMERGENCY RESPONSE SAFE STORAGE

Separated from strong reducing agents. Well closed.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2004

SEE IMPORTANT INFORMATION ON BACK


4-NITROBIPHENYL ICSC: 1395
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
WHITE TO YELLOW CRYSTALS, WITH CHARACTERISTIC ODOUR.

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).
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.
PHYSICAL PROPERTIES
Boiling point: 340C
Melting point: 114C
Solubility in water: very poor
Flash point: 143C c.c.
Octanol/water partition coefficient as log Pow: 3.77
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms. The substance may cause long-term effects in the aquatic environment.
NOTES
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.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2004