2-Amino-1-hydroxybenzene
o-Hydroxyaniline
o-Aminophenol
C6H7NO / C6H4(OH)(NH2)
Molecular mass: 109.1
ICSC # 0824
CAS # 95-55-6
RTECS # SJ4950000
UN # 2512
EC # 612-033-00-3
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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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Alcohol-resistant foam.
Carbon dioxide.
Water spray, powder.
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Explosion
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Exposure
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STRICT HYGIENE!
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•Inhalation
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See Ingestion.
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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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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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Blue lips or finger nails.
Blue skin.
Confusion.
Convulsions.
Cough.
Dizziness.
Headache.
Laboured breathing.
Nausea.
Unconsciousness.
Symptoms may be delayed (see Notes).
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give a slurry of activated charcoal in water to drink.
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: P3 filter respirator for toxic particles.
Chemical protection suit.
Do NOT let this chemical enter the environment.
Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
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Store in an area without drain or sewer access.
Well closed.
Separated from
oxidants
,
food and feedstuffs
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Do not transport with food and feedstuffs.
Xn symbol
R: 20/22-68
S: 2-28-36/37
UN Hazard Class: 6.1
UN Packing Group: III
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Important Data
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Physical State; Appearance:
COLOURLESS
TO WHITE
CRYSTALS
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TURNS DARK ON Exposure TO AIR OR LIGHT.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing
toxic fumes
(
nitrogen oxides
).
Reacts
violently with
oxidants
causing fire and explosion hazard.
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,
through the skin
and
by inhalation of its aerosol.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
Effects of Short-Term Exposure:
The substance may cause effects on the
blood
, resulting in
the formation of methaemoglobin.
The effects may be delayed.
Medical observation is indicated.
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 (decomposes): 170-174°C
Density: 1.3
g/cm3
Solubility in water, g/100 ml at 20°C: 1.7
Vapour pressure, Pa at °C:
negligible
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Relative vapour density (air = 1): 3.77
Flash point:
>175°C c.c.
Auto-ignition temperature: 190°C
Octanol/water partition coefficient as log Pow: 0.62
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Environmental
Data
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This substance may be hazardous in the environment; special attention should be given to aquatic organisms.
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Transport Emergency Card: TEC (R)-61GT2-III
NFPA Code: H2; F1; R2;
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ADDITIONAL INFORMATION
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ICSC: 0824
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2-AMINOPHENOL
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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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