Brownish-yellow prisms with violet reflex (from ethanol) or yellow powder.
Registry Numbers and Inventories.
Japan ENCS (MITI)
Melting point, °C
148 - 149
Boiling point, °C
Vapor pressure, mmHg
0.002 (25 C)
1.201 g/cm3 (20 C)
Solubility in water
40.1 g/s2 (210 C)
Partition coefficient, pKow
Heat of vaporization
Heat of combustion
Hazards and Protection.
Keep containers tightly closed. Store in a cool, dry area away from incompatible substances.
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Wear appropriate protective gloves, clothing and goggles.
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Sweep up, then place into a suitable container for disposal.
Stable under normal temperatures and pressures.
Strong oxidizing agents - strong bases.
Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.
This material is probably combustible.
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Fire may produce irritating, corrosive and/or toxic gases.
2 ppm TWA ACGIH
TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.
Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
Remove from exposure to fresh air immediately.
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.