o-Nitrophenol
2-Hydroxynitrobenzene
o-Hydroxynitrobenzene
C6H5NO3
Molecular mass: 139.1
ICSC # 0523
CAS # 88-75-5
RTECS # SM2100000
UN # 1663
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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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Dry powder.
Carbon dioxide.
Water spray
.
Alcohol-resistant foam.
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Explosion
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Exposure
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•Inhalation
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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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Redness.
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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.
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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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Headache.
Drowsiness.
Nausea.
Blue lips or fingernails.
Blue skin.
Confusion.
Convulsions.
Dizziness.
Unconsciousness.
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Do not eat, drink, or smoke during work.
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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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Personal protection: P2 filter respirator for harmful particles.
Do NOT let this chemical enter the environment.
Sweep spilled substance into covered containers.
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Store in an area without drain or sewer access.
Separated from
strong oxidants,
strong bases,
strong acids,
food and feedstuffs
.
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Do not transport with food and feedstuffs.
UN Hazard Class: 6.1
UN Packing Group: III
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Important Data
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Physical State; Appearance:
YELLOW
CRYSTALS
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic and corrosive fumes
including
nitrogen oxides
.
Reacts
with
strong acids
,
strong bases
and
strong oxidants
.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
by ingestion.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly.
Effects of Short-Term Exposure:
The substance
is mildly irritating to
the eyes
and
the skin
.
When ingested
the substance may cause effects on the
blood
, resulting in
the formation of methaemoglobin.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 216°C
Melting point: 45-46°C
Density: 1.49
g/cm3
Solubility in water, g/100 ml at 20°C: 210
(poor)
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Vapour pressure, kPa at 25°C: 0.015
Flash point: 108°C c.c.
Auto-ignition temperature: 550°C
Octanol/water partition coefficient as log Pow: 1.79
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Environmental
Data
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The substance is harmful to aquatic organisms.
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N O T E S
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Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Transport Emergency Card: TEC (R)-61S1663 or 61GT2-III
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ADDITIONAL INFORMATION
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ICSC: 0523
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2-NITROPHENOL
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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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