Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Agrochemical Functions
- Technologies
- Product Families
- Active Ingredient
Magnesium Phosphide - 66%
Inert Ingredients - 34%- Equation
DEGESCH metal phosphide fumigants are acted upon by atmospheric moisture to produce phosphine gas. Magtoxin® contains magnesium phosphide (Mg3P2) as their active ingredient and will liberate phosphine via the following chemical reaction: Mg3P2 + 6H2O -> 3MgOH)3 + 2PH3.
Features & Benefits
- Labeling Claims
Applications & Uses
- Markets
- Insecticide Target Species
- Dosage Rates For Commodities & Burrowing Pests
Phosphine is a mobile gas and will penetrate to all parts of the Treatment area. Therefore, dosage must be based upon the total volume of the space being treated. Each Magtoxin® Prepac contains 33 blisters, each holding 2 Magtoxin® Pellets. Each Magtoxin® Pellet will liberate 0.2 grams of phosphine gas for a total of 13.2g of gas per Prepac. The Prepacs are supplied in a continuous roll of five Prepacs connected end to end. The appropriate amount of fumigant for application to the machinery may be cut from the roll of Prepacs using sharp scissors or other cutting tool.
Properties
- Physical Form
Regulatory & Compliance
- Chemical Inventories
Safety & Health
- Precautionary Statements – Hazards To Humans & Domestic Animals – Warning
Hazards to Humans and Domestic Animals
DANGER: Magnesium phosphide from Magtoxin® Prepac Spot Fumigant or dust may be fatal if swallowed. Do not get in eyes, on skin or on clothing. Do not eat, drink or smoke while handling magnesium phosphide fumigants. If a sealed container is opened, or if the material comes into contact with moisture, water or acids, these products will release phosphine gas which is an extremely toxic gas. If a garlic odor is detected, refer to the Industrial Hygiene Monitoring instructions found in Section 14.5 of this manual for appropriate monitoring procedures. Pure phosphine gas is odorless; the garlic odor is due to a contaminant. Since the odor of phosphine may not be detected under some circumstances, the absence of a garlic odor does not mean that dangerous levels of phosphine gas are absent. Observe proper re-entry procedures in Section 14.4 of this Manual to prevent overexposure.- Environmental Hazards
This product is very highly toxic to wildlife. Non-target organisms exposed to phosphine gas will be killed. Do not apply directly to water or wetlands (swamps, bogs, marshes and potholes). Do not contaminate water by cleaning of equipment or disposal of wastes.
- Physical Or Chemical Hazards
Magnesium phosphide-based fumigants such as Plates, Strips, Prepac Spot Fumigant and partially spent materials will release phosphine if exposed to moisture from the air or if it comes into contact with water, acids and many other liquids. Magnesium phosphide is considerably more reactive than is aluminum phosphide and will liberate gas more rapidly. This is particularly true in the presence of liquid water and at higher temperatures. Since phosphine gas may ignite spontaneously at levels above its lower flammable limit of 1.8% v/v (18,000 ppm), it is important not to exceed this concentration. Ignition of high concentrations of phosphine gas can produce a very energetic reaction. Explosion can occur under these conditions and may cause severe personal injury. Never allow the buildup of phosphine to exceed explosive concentrations. Do not confine spent or partially spent metal phosphide fumigants as the slow release of phosphine gas from this material may result in formation of an explosive atmosphere. Magnesium phosphide fumigants should not be stacked, piled up or contacted with liquid water. This may cause a temperature increase, accelerate the rate of gas production and confine the gas so that ignition could occur. It is preferable to open containers of magnesium phosphide products in open air as under certain conditions, they may flash upon opening. Containers may also be opened near a fan or other appropriate ventilation that will rapidly exhaust contaminated air. When opening pouches of Magtoxin® Prepac, point the pouch away from the face and body and tear or cut open the far end. Although the chances for a flash are very remote, never open containers of metal phosphide fumigants in a flammable atmosphere. These precautions will also reduce the fumigator’s exposure to phosphine gas.
Pure phosphine gas is practically insoluble in water, fats and oils, and is stable at normal fumigation temperatures. However, it may react with certain metals
and cause corrosion, especially at higher temperatures and relative humidities. Metals such as copper, brass, other copper alloys and precious metals such as gold and silver are susceptible to corrosion by phosphine. Thus, small electric motors, smoke detectors, brass sprinkler heads, batteries and battery chargers, fork lifts, temperature monitoring systems, switching gears, communication devices, computers, calculators and other electrical equipment should be protected or removed before fumigation. Phosphine gas will also react with certain metallic salts and, therefore, sensitive items such as photographic film, some inorganic pigments, etc., should not be exposed. Immediately after addition of Magtoxin® Prepac, turn off any lights and unessential electrical equipment.
Storage & Handling
- Storage Instructions
- Do not contaminate water, food or feed by storing pesticides in the same areas used to store these commodities.
- Store Magtoxin® in a dry, well-ventilated area away from heat, under lock and key. Post as a pesticide storage area.
- Do not store Magtoxin® Prepacs in areas where temperature may exceed 130°F
- Do not store in buildings where humans or domestic animals reside. Keep out of reach of children.
- DEGESCH Magtoxin® Prepacs are supplied in gas-tight pouches. However, once opened for fumigation, the entire contents of the aluminum foil pouch must be used as it cannot be resealed.
- The shelf life of Magtoxin®is virtually unlimited as long as the pouches are not opened.