- Butyl a-[4-(5-trifluoromethyl-2-pyridyloxy)phenoxy]propionate
- Propanoic acid, 2-[4-[[5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]-, butyl ester
A pale straw colored liquid. Selective herbicide.
Registry Numbers and Inventories.
EC Index Number
Toxic for reproduction Category 2; Dangerous for the Environment
Agricultural Chemical and Pesticide; Reproductive Effector; Primary Irritant
Swiss Giftliste 1
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
8E-8 (25 C)
1.21 g/cm3 (20 C)
Solubility in water
1 mg/L (20 C)
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
Keep in a cool, dry location with ventilation and away from incompatible materials. Keep container tightly closed.
Electrically ground all equipment when handling. Do not use pressure to empty containers. Do not get in eyes, on skin or on clothing.
Protective clothing, PVC gloves when spraying fusilade 4e. Also, apron and full face shield when handling or mixing concentrate.
NIOSH approved respirator for emission. May be a full face plate, half mask air purifying cartidge respirator for organic vapors and mists or a SCBA in pressure demand mode, supplied air respirator.
Wear protective equipment. For small spills, mop up and place in an approved waste container. For larger spils, dike and then pump into an approved container.
Stable for 3 yr at 25 C and for 6 months at 37 C. Reasonably stable in acidic and neutral conditions, but rapidly hydrolyzed in alkaline media (ph 9). Tested stable in storages 40-120 F (5-50 C).
Strong oxidizing agents.
Oxides of carbon and nitrogen, ammonia.
Lower exp. limit, %
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.
Irritation of the nose and throat. Repeated exposure can result in liver and kidney damage and depress of the central nervous system.
May cause irritation. Prolong/repeated exposure may cause dermatitis.
May cause irritation.
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.