Product Identification

Product Name

Dimethyl O-(3,5,6-trichloro-2-pyridyl) phosophorothioate

Synonyms

Dimethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxyphosphorane
O,O-Dimethyl O-3,5,6-trichloro-2-pyridyl phosphorodithioate

CAS

5598-13-0

Formula

C7H7Cl3NO3PS

Molecular Weight

322.52999999999997

EINECS

227-011-5

RTECS

TG0700000

RTECS Class

Agricultural Chemical and Pesticide; Primary Irritant

Beilstein/Gmelin

1541078

EC Index Number

015-186-00-9

Physical and Chemical Properties

Appearance

Colorless crystals with an ammonia-like odor.

Melting Point

45.5-46.5

Vapor Pressure

5

Partition Coefficient

4.37

Usage

Insecticide.

Vapor Density

N/R

First Aid Measures

Ingestion

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.

Inhalation

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.

Skin

Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.

Eyes

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.

Handling and Storage

Storage

Keep in a tightly closed container in a cool, dry location.

Handling

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.

Hazards Identification

Ingestion

Fatal.

Inhalation

Fatal, possible cholinesterase inhibitor. Seasures, nausea, vomiting, airway ubstraction and or increased mucous secreations in the lungs.

Skin

Fatal if absorbed.

Exposure Controls/Personal Protection

Personal Protection

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.

Respirators

OSHA approved respirator.

Poison Class

4

Fire Fighting Measures

Fire Fighting

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.

Accidental Release Measures

Small spills/leaks

Evacuate area and ventilate. While wearing protective equipment, sweep up and place in an appropriate container for disposal. Wash contaminated surfaces to remove residues.

Stability and Reactivity

Stability

Stable under normal temperature and pressure.

Incompatibilities

Strong oxidizing agents.