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<br />MATERIAL SAFETY DATA SHEET <br /> <br />.MDow AgroSciences <br />VIKANE* GAS FUMIGANT <br /> <br />Emergency Phone: 800-992-5994 <br />Dow AgroSciences LLC <br />Indianapolis, IN 46268 <br /> <br />Effective Date: 1017/03 <br />Product Code: 91503 <br />MSDS: 000506 <br /> <br />NOTE TO PHYSICIAN: Treatment of exposure should be <br />directed at the control of symptoms and the clinical condition <br />of the patient. Sulfuryl fluoride is a gas, which has no <br />warning properties such as odor or eye irritation (however, <br />chloropicrin is used as a warning agent and is a known <br />lachrymator). The prediction of possible human effects is <br />based in part on observations made on laboratory animals. <br />It is predicted that persons exposed to sulfuryl fluoride will <br />show little evidence of intoxication at first, unless the <br />concentration is very high (>400 ppm). Early symptoms of <br />exposure to sulfuryl fluoride are respiratory irritation and <br />central nervous system depression. Excitation may follow. <br />Slowed movement, reduced awareness, and slow or <br />garbled speech may be noted. It is essential to keep such <br />an individual at bed rest for at least 24 hours. Clinical <br />observations should be directed at the pulmonary, hepatic, <br />and renal systems. Prolonged exposure can produce lung <br />irritation, pulmonary edema, nausea, and abdominal pain. <br />Repeated exposure to high concentrations can result in <br />significant lung and kidney damage. Convulsions may ensue <br />with respiratory arrest being the terminal event. Assisted <br />respiration may be necessary. Clinical observation is <br />essential. There is no known antidote for over-exposure to <br />sulfuryl fluoride. <br /> <br />15. FIRE FIGHTING MEASURES: <br /> <br />FLASH POINT: Not applicable <br />METHOD USED: Not applicable <br /> <br />FLAMMABLE LIMITS <br />LFL: Not combustible <br />UFL: Not combustible <br /> <br />EXTINGUISHING MEDIA: Sulfuryl fluoride is not <br />combustible. However, if cylinders are in a fire area, water <br />can be used to keep them cool to help prevent discharge of <br />product caused by melted fusible plugs on the cylinders. <br />Use of water will also help to scrub out part of any <br />hydrofluoric acid and sulfur dioxide, which may be formed by <br />decomposition of the product in a fire. <br /> <br />"Trademark of Dow AgroSciences <br /> <br />FIRE & EXPLOSION HAXARDS: Cylinders exposed to fire <br />may vent and release toxic gas through melted fusible plugs <br />on cylinders. Although sulfuryl fluoride is not combustible, in <br />temperatures exceeding 4000C (7520F), it will degrade to <br />form hydrogen fluoride and sulfur dioxide. <br /> <br />FIRE-FIGHTING EQUIPMENT: Wear positive-pressure, <br />self-contained breathing apparatus and full protective <br />clothing. When fighting fires in atmospheres containing <br />potentially high concentrations of sulfuryl fluoride, <br />encapsulating protective suits should be wom due to <br />possible formation of hydrofluoric acid. Protective suit <br />material should be compatible with exposure to hydrofluoric <br />acid. <br />16. ACCIDENTAL RELEASE MEASURES: <br /> <br />ACTION TO TAKE FOR SPILLS/LEAKS: Evacuate <br />immediate area if cylinder begins to leak. Use a NIOSH or <br />MSHA approved positive-pressure, self-contained breathing <br />apparatus (SCBA) or combination air-supplied/SCBA <br />respirator, such as manufactured by Ranger, Survivair, <br />Scott, or MSA, for entry into affected areas to correct <br />problem. For leaking cylinders occurring near structure <br />being fumigated, place the cylinder inside the designated <br />I structure if it can be done safely. If leaking cylinder occurs <br />elsewhere, move leaking or damaged cylinder outdoors or <br />to an isolated location, observing strict safety precautions. <br />Work upwind if possible. Do not permit entry into leakage <br />area by unprotected persons until concentration of fumigant <br />is determined to be 5 ppm or less, as determined by a <br />detection device with sufficient sensitivity such as an <br />INTERSCAN or MIRAN gas analyzer. For detailed <br />information on the source and use of air monitoring devices <br />or respirators, consult Dow AgroSciences at 800-992-5994. <br /> <br />/7. HANDLING AND STORAGE: <br /> <br />PRECAUTIONS TO BE TAKEN IN HANDLING AND <br />STORAGE: Handling: Keep out of reach of children. Do not <br />breathe gas. Keep all unnecessary people and pets out of <br />area containing sulfuryl fluoride gas. Storage: Store in <br />original container and away from heat and dwellings. <br /> <br />2 <br />