4-Nitro-1,2-benzenediamine
1,2-Diamino-4-nitrobenzene
2-Amino-4-nitroaniline
C6H7N3O2 / C6H3(NH2)2NO2
Molecular mass: 153.1
ICSC # 1543
CAS # 99-56-9
RTECS # ST2975000
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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, powder.
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Explosion
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Exposure
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See EFFECTS OF LONG-TERM OR REPEATED Exposure.
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PREVENT DISPERSION OF DUST!
STRICT HYGIENE!
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•Inhalation
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Local exhaust or breathing protection.
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Fresh air, rest.
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•Skin
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
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•Eyes
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Safety goggles.
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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.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: P2 filter respirator for harmful particles.
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
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Separated from
incompatible materials
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See Chemical Dangers.
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Important Data
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Physical State; Appearance:
RED
POWDER
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic fumes
including
nitrogen oxides
.
Reacts
with
strong acids
,
strong oxidants
and
strong reducing agents
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Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
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:
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
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Physical
Properties
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Melting point: 201°C
Solubility in water:
poor
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Octanol/water partition coefficient as log Pow: 0.88
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Environmental
Data
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N O T E S
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The substance is combustible but no flash point is available in literature.
Environmental effects from the substance have not been investigated.
Do NOT take working clothes home.
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ADDITIONAL INFORMATION
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ICSC: 1543
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4-NITRO-o-PHENYLENEDIAMINE
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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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