Chlorpyrifos CAS:2921-88-2 CAS NO.2921-88-2

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Common name	Chlorpyrifos
CAS No.	2921-88-2
Chemical name	Chlorpyrifos
Specification(COA)	40% EC,97%TC
Use category	Insecticide
Mode of action	1.Has three functions of stomach poison, touch and fumigation, which has good control effect on rice, wheat, cotton, fruit tree, vegetable, tea tree and various kinds of chewing and stabbing mouthparts pests; 2. Good compatibility, can be mixed with a variety of insecticides and obvious synergistic effect; 3.Extensive insecticidal spectrum, easy to combine organic matter in soil, special effect on underground pests for more than 30 days; 4.No suction, to ensure the safety of agricultural products and consumers, suitable for the production of pollution-free high-quality agricultural products.
Control targets	Broad insecticidal spectrum, rice planthopper, rice vertical leaf roller borer, rice trichoderma borer, rice gall mosquito,cruciferous vegetable twill moth, brassica napus, diamond-moth, jumping beetle, wheat aphid.

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS		Complies
	The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.10%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.01%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.70%
Assay	99.0%~101.0% (anhydrous substance).		99.80%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies