Serotonin receptor antagonist/inverse agonist that crosses the blood-brain barrier.
Registry Numbers and Inventories.
22 26 36
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
3E-15 (25 C)
1.30 g/cm3 (20 C)
Solubility in water
0.22 mg/L (25 C)
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
Keep container tightly closed.
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a dust mask type N95 (US) or type P1 (EN 143) respirator.
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stable at recommended storage conditions.
Strong oxidizing agents.
Carbon monoxide, Carbon dioxide, Nitrogen oxides, Sulfur oxides, Hydrogen fluoride.
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Emits toxic fumes under fire conditions.
May be harmful if swallowed.
May be harmful if inhaled. Material is irritating to mucous membranes and upper respiratory tract.
Causes skin irritation. May be harmful if absorbed through the skin.
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.