- O,O-Dimethyl O-3,5,6-trichloro-2-pyridyl phosphorodithioate
Colorless crystals with an ammonia-like odor.
Registry Numbers and Inventories.
EC Index Number
Agricultural Chemical and Pesticide; Primary Irritant
Swiss Giftliste 1
Melting point, °C
Vapor pressure, mmHg
Vapor density (air=1)
Partition coefficient, pKow
Hazards and Protection.
Keep in a tightly closed container in a cool, dry location.
Material should only be used by properly trained individuals. Avoid contact with skin, eyes and clothing. Do not wear contact lenses. This material is for laboratory use only. Only used in a chemical hood.
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
OSHA approved respirator.
Evacuate area and ventilate. While wearing protective equipment, sweep up and place in an appropriate container for disposal. Wash contaminated surfaces to remove residues.
Stable under normal temperature and pressure.
Strong oxidizing agents.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.
Fatal, possible cholinesterase inhibitor. Seasures, nausea, vomiting, airway ubstraction and or increased mucous secreations in the lungs.
Fatal if absorbed.
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.