A colorless odorless gas.
Insecticide & fumigant.
Registry Numbers and Inventories.
EC Index Number
Agricultural Chemical and Pesticide; Reproductive Effector
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
760 (-52 C)
Vapor density (air=1)
1.349 g/cm3 (20 C)
Solubility in water
Hazards and Protection.
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
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 positive pressure self-contained breathing apparatus (SCBA).
Attempt to stop leak if without undue personnel hazard.
Stable to 400 C stable to light. Stable up to approx 500 C when dry. Rapidly hydrolyzed by aqueous alkali, but not by water.
Incompatible with water, strong oxidizing agents, alcohols, amines, and bases May react vigorously or explosively
When heated to decomposition it emits very toxic fumes of hydrogen fluoride and sulfur oxides.
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible.
May burn but does not ignite readily.
Vapors from liquefied gas are initially heavier than air and spread along ground. Containers may explode when heated. Ruptured cylinders may rocket.
Fire will produce irritating, corrosive and/or toxic gases.
NIOSH REL: TWA 5 ppm (20 mg/m3) ST 10 ppm (40 mg/m3) OSHA PEL: TWA 5 ppm (20 mg/m3) IDLH 200 ppm
Weakness, restlessness, seizures, and CNS depression may occur. Long-term exposure may be associated with olfactory deficits and subclinical CNS effects.
Nausea, vomiting, drooling, and fecal incontinence may occur following acute ingestion exposure.
Dyspnea, irritation, and pulmonary edema can occur.
May cause irritation. May be fatal if absorbed through the skin. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite.
Seek medical assistance.
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with beta2 agonist and corticosteroid aerosols.
Rewarming and a variety of topical treatments have been recommended for treating frostbite injuries (see main section).
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.
Std. Transport #