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2-NITROPHENOLICSC: 0523
o-Nitrophenol
2-Hydroxynitrobenzene
o-Hydroxynitrobenzene
October 2005
CAS #: 88-75-5
UN #: 1663
EC Number: 201-857-5

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.    NO open flames.    Use dry powder, carbon dioxide, water spray, alcohol-resistant foam.   

   
  SYMPTOMS PREVENTION FIRST AID
Inhalation   Use local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin Redness.  Protective gloves.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Headache. Drowsiness. Nausea. Blue lips, fingernails and skin. Confusion. Convulsions. Dizziness. Unconsciousness.  Do not eat, drink, or smoke during work.  Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 6.1; UN Pack Group: III 

STORAGE
Store in an area without drain or sewer access. Separated from strong oxidants, strong bases, strong acids and food and feedstuffs. 
PACKAGING
Do not transport with food and feedstuffs. 
2-NITROPHENOL ICSC: 0523
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
YELLOW CRYSTALS. 

Physical dangers
 

Chemical dangers
Decomposes on burning. This produces toxic and corrosive fumes including nitrogen oxides. Reacts with strong acids, strong bases and strong oxidants. 

Formula: C6H5NO3
Molecular mass: 139.1
Boiling point: 216°C
Melting point: 45-46°C
Density: 1.49 g/cm³
Solubility in water, g/100ml at 20°C: 0.21 (poor)
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  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by ingestion. 

Effects of short-term exposure
The substance is mildly irritating to the eyes and skin. Ingestion could cause effects on the blood. This may result in the formation of methaemoglobin. 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
The substance is harmful to aquatic organisms. 

NOTES
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations