Methylphosphonodithioic acid O-phenyl S-propyl ester, also known as fenamiphos, is an organophosphorus compound widely used as an agricultural insecticide and acaricide. It is effective against a broad spectrum of pests, including mites, aphids, and whiteflies, and is particularly useful in controlling pests on cotton, fruits, and vegetables. Fenamiphos works by inhibiting the activity of acetylcholinesterase, an enzyme essential for the proper functioning of the nervous system in insects, leading to their paralysis and eventual death. The chemical structure of fenamiphos consists of a methylphosphonodithioic acid group attached to a phenyl group and a propyl ester group, which contributes to its insecticidal properties. Due to its potential health and environmental risks, the use of fenamiphos is regulated in many countries, and alternative, less harmful pesticides are being developed to replace it.
3239-63-2
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Basic information
- Product Name: Methylphosphonodithioic acid O-phenyl S-propyl ester
- Synonyms: ENT-27186;Methylphosphonodithioic acid O-phenyl S-propyl ester
- CAS NO:3239-63-2
- Molecular Formula: C10H15OPS2
- Molecular Weight: 246.34
- EINECS: N/A
- Product Categories: N/A
- Mol File: 3239-63-2.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: 323.7°Cat760mmHg
- Flash Point: 149.5°C
- Appearance: /
- Density: 1.178g/cm3
- Vapor Pressure: 0.000488mmHg at 25°C
- Refractive Index: 1.574
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Methylphosphonodithioic acid O-phenyl S-propyl ester(CAS DataBase Reference)
- NIST Chemistry Reference: Methylphosphonodithioic acid O-phenyl S-propyl ester(3239-63-2)
- EPA Substance Registry System: Methylphosphonodithioic acid O-phenyl S-propyl ester(3239-63-2)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 3239-63-2(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 3239-63-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,3 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.Calculate Digit Verification of CAS Registry Number 3239-63:
(6*3)+(5*2)+(4*3)+(3*9)+(2*6)+(1*3)=82
82 % 10 = 2
So 3239-63-2 is a valid CAS Registry Number.
InChI:InChI=1/C10H15OPS2/c1-3-9-14-12(2,13)11-10-7-5-4-6-8-10/h4-8H,3,9H2,1-2H3
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Methylphosphonodithioic acid O-phenyl S-propyl ester
