Pest Control Insecticide aluminium phosphide 56% tablet and powder fumigation preparation
Light yellow or greyish green square crystal powder, odourless. It
dissolves in cold water and dissolves in ethanol and ether.
Fumigation of aluminum phosphide in storehouses and tabernacles can
prevent all kinds of stored grain pests and mites, but can not kill
the mites of dormancy period. It can fumigate not only raw and
finished grain, but also crop seeds and various storage equipment.
Phosphine gas is easily diffused in the air. The fumigated
warehouse can be dispersed in 24 to 28 hours without affecting the
color, taste and food hygiene of grain. The germination rate of
fumigated seeds will not be affected within the prescribed dose and
closed days. It is also used in field and warehouse fumigation and
Matters needing attention
The concentration of phosphine in air (25 C) reaches 26g/m3,
causing phosphine to burn or explode. Therefore, the dosage of each
application should not exceed 90g; the tabernacle must not cover
the dish, prevent the air from circulation, and make the local
range reach the above concentration; avoid the use of aluminum
phosphide in the open air, and prevent the rainwater from breaking
into the tent and breaking up the explosion accident with the
violent decomposition of the aluminum phosphide.
Fire extinguishing agent
Dry sand and dry powder
Oral - human TDL0: 21 mg / kg; oral - rat TDL0: 10 mg / kg
Flammability hazard characteristics
Flammable and highly toxic phosphine gas in air and acid and water.
Storage and transportation characteristics
Warehouse ventilation low temperature drying; separate from acid
For fumigation insecticide, it can fumigate raw grain, finished
grain, fumigate seed grain and all kinds of storage equipment. It
is also used in other closed places, such as killing insects,
rodent holes, killing rats and tree trunk. The amount of food
fumigation is 10~30 g/t grain, and the average dosage of warehouse
fumigation is 1~4 /m3.
Posterior sternal pain, epigastric pain, fever, burning, loss of
consciousness, and decreased blood pressure will occur immediately
after poisoning. It should be strictly prevented from absorbing
skin to avoid contact with skin.
The whole production process should be completely airtight and well
ventilated. Production workers should wear protective clothing for
labor protection. If there is a leakage of phosphine gas, gas masks
must be worn immediately.
Chemical properties: light yellow or greyish green square crystal
powder, odourless. It is slightly soluble in cold water and soluble
in ethanol and ethyl ether.