What is the use of chlorpyrifos?
Chlorpyrifos is an organophosphate insecticide, acaricide and miticide used primarily to control foliage and soil-borne insect pests.
What is the difference between chlorpyrifos and chlorpyrifos methyl?
Besides their similar toxicokinetics, chlorpyrifos‐methyl has a higher LD50 than chlorpyrifos, chlorpyrifos‐methyl being ten times less potent upon short‐term exposure than chlorpyrifos in rats and dogs but both having the same level of toxicity upon long‐term exposure.
What is chlorpyrifos common name?
Chlorpyrifos is a broad-spectrum, chlorinated organophosphate (OP) insecticide, acaricide and nematicide. Chlorpyrifos is the common name for the chemical 0,0-diethyl 0-(3,5,6-trichloro-2-pyridinyl)-phosphorothioate. The Chemical Abstracts Service (CAS) registry number is 2921-88-2.
What is the chemical formula of chlorpyrifos?
C9H11Cl3NO3PSChlorpyrifos / Formula
What is chlorpyrifos found in?
Chlorpyrifos is used on a wide variety of crops including apples, oranges, strawberries, corn, wheat, citrus, and other foods families and their children eat daily.
What is chlorpyrifos soluble in?
Chlorpyrifos is a white crystalline or irregularly flaked solid. It has a very faint mercaptan-type odor. It is not soluble in water. It can cause slight irritation to the eye and skin.
Is chlorpyrifos ionic or covalent?
Chlorpyrifos is an organic thiophosphate that is O,O-diethyl hydrogen phosphorothioate in which the hydrogen of the hydroxy group has been replaced by a 3,5,6-trichloropyridin-2-yl group….3.1Computed Properties.
| Property Name | Property Value | Reference |
|---|---|---|
| Covalently-Bonded Unit Count | 1 | Computed by PubChem |
How long does cockroach spray last?
two to four weeks
Residual Sprays In most cases, a single application lasts two to four weeks. How well do they work? Residual sprays are highly effective for adult roaches, though you won’t see any of the macabre action first-hand.
How do you apply Reldan 22?
At rates above 5 tonnes per hour, apply RELDAN 22 in 0.75 litres of water per tonne of grain. Treatment of grain that is being cooled by continuous extraction of air from the base may lead to depletion of insecticide at the grain surface which will lower the efficacy at the grain store pests, particularly mites.
What is the maximum individual dose of Reldan?
Maximum Individual Dose: Grain store – 200 ml Reldan 22 /10.0 litres water / 100 m2 Treated grain (immediate eradication) – 10 ml Reldan 22 /1.5 litres water/tonne of grain (see below) Treated grain (long term storage protection) – 20 ml Reldan 22 /1.5 litres water/tonne of grain (see below)
What is Reldan 22 made of?
RELDAN 22 contains chlorpyrifos-methyl, an anticholinesterase organophosphorus compound. 1. IN ALL CASES AND AS EARLY AS POSSIBLE inject atropine sulphate 2 mg or pro rata for children and repeat (if necessary) until fully atropinised.
How much water do you spray with Reldan 22?
Spray volume can be increased to 10 litres of water per 100 square metres on porous surfaces if necessary (for example concrete, brick and unpainted wood). Note: There is no withholding period associated with the use of RELDAN 22 for pre-harvest hygiene.