Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Use water spray, powder, foam, carbon dioxide.
Use ventilation (not if powder).
Fresh air, rest.
Rinse and then wash skin with water and soap.
Wear safety spectacles or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Do not eat, drink, or smoke during work.
CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.
According to UN GHS Criteria
Transportation UN Classification
Separated from strong oxidants.
PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance RED OR ORANGE-BROWN SOLID IN VARIOUS FORMS.
Chemical dangers Decomposes on heating. This produces toxic fumes of nitrogen oxides. Reacts with strong oxidants.
Molecular mass: 223.24
Sublimation Melting point: 302°C Solubility in water: very poor Vapour pressure, Pa at 180°C: 1.3 Flash point: 283°C c.c. Octanol/water partition coefficient as log Pow: 3.3
EXPOSURE & HEALTH EFFECTS
Routes of exposure
Effects of short-term exposure
Inhalation risk Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered.
Effects of long-term or repeated exposure
OCCUPATIONAL EXPOSURE LIMITS
Other melting points: 289-292°C.
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