S-(p-tert-Butylphenyl)O-methyl-ethylphosphonodithioate, also known as EPN, is an organophosphorus compound that was once widely used as an insecticide. It is characterized by its ability to inhibit the enzyme acetylcholinesterase, which is crucial for the proper functioning of the nervous system in insects. This inhibition leads to the accumulation of acetylcholine, causing overstimulation and ultimately death in the target pests. EPN was particularly effective against a variety of insects, including mosquitoes, flies, and other agricultural pests. However, due to its high toxicity and potential environmental and health risks, its use has been restricted or banned in many countries. The chemical's persistence in the environment and its ability to bioaccumulate in the food chain have been significant concerns, leading to a shift towards safer and more environmentally friendly alternatives in pest control.
2984-66-9
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Basic information
- Product Name: S-(p-tert-Butylphenyl)O-methyl=ethylphosphonodithioate
- Synonyms: ENT-27251;N-4330;S-(p-tert-Butylphenyl)O-methyl=ethylphosphonodithioate;Stauffer N-4330
- CAS NO:2984-66-9
- Molecular Formula: C13H21 O P S2
- Molecular Weight: 288.409
- EINECS: N/A
- Product Categories: N/A
- Mol File: 2984-66-9.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: 359.5°Cat760mmHg
- Flash Point: 171.2°C
- Appearance: /
- Density: 1.11g/cm3
- Vapor Pressure: 4.9E-05mmHg at 25°C
- Refractive Index: 1.55
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: S-(p-tert-Butylphenyl)O-methyl=ethylphosphonodithioate(CAS DataBase Reference)
- NIST Chemistry Reference: S-(p-tert-Butylphenyl)O-methyl=ethylphosphonodithioate(2984-66-9)
- EPA Substance Registry System: S-(p-tert-Butylphenyl)O-methyl=ethylphosphonodithioate(2984-66-9)
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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: 2984-66-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 2984-66-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,8 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.Calculate Digit Verification of CAS Registry Number 2984-66:
(6*2)+(5*9)+(4*8)+(3*4)+(2*6)+(1*6)=119
119 % 10 = 9
So 2984-66-9 is a valid CAS Registry Number.
InChI:InChI=1/C13H21OPS2/c1-6-15(16,14-5)17-12-9-7-11(8-10-12)13(2,3)4/h7-10H,6H2,1-5H3
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S-(p-tert-Butylphenyl)O-methyl=ethylphosphonodithioate
