White to off-white to light yellow crystalline powder.
Registry Numbers and Inventories.
Melting point, °C
189 - 190.5
Boiling point, °C
Vapor pressure, mmHg
2.1E-8 (25 C)
1.286 g/cm3 (20 C)
Solubility in water
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
Store at -20 C.
Wear self-contained breathing apparatus, protective clothing and heavy rubber gloves. Chemical safety goggles.
Absorb solutions with finely-powdered liquid-binding material (diatomite, universal binders); decontaminate surfaces and equipment by scrubbing with alcohol.
Sensitive to light and heat.
Acids and bases.
Oxides of carbon.
Suitable extinguishing agents: water spray, carbon dioxide, dry chemical powder or foam. Protective equipment: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
May emit toxic fumes under fire condition.
May be an irritant; may cause irritation to eyes, skin, mucous membranes.
If swallowed, wash out mouth with copious amounts of water; call a physician.
If inhaled, remove to fresh air; if breathing is difficult, give oxygen; if breathing stops, give artificial respiration.
Flush with copious amounts of water; remove contaminated clothing and shoes; call a physician.
Flush with copious amounts of water; assure adequate flushing by separating the eyelids with fingers; call a physician.