Methylthiophosphonic acid O-ethyl O-[p-(ethylsulfonyl)phenyl] ester is a complex organic compound with the chemical formula C7H11O4PS2. It is a derivative of methylthiophosphonic acid, featuring an ethyl group and a p-(ethylsulfonyl)phenyl group attached to the phosphorus atom. Methylthiophosphonic acid O-ethyl O-[p-(ethylsulfonyl)phenyl] ester is primarily used as an intermediate in the synthesis of various pesticides and agrochemicals, particularly in the production of organophosphorus insecticides. Due to its potential toxicity and environmental impact, it is essential to handle and dispose of this chemical with proper safety measures and regulations.
3309-71-5
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Basic information
- Product Name: Methylthiophosphonic acid O-ethyl O-[p-(ethylsulfonyl)phenyl] ester
- Synonyms: Bayer-30750;ENT-25617;Methylthiophosphonic acid O-ethyl O-[p-(ethylsulfonyl)phenyl] ester
- CAS NO:3309-71-5
- Molecular Formula: C11H17O4PS2
- Molecular Weight: 308.354
- EINECS: N/A
- Product Categories: N/A
- Mol File: 3309-71-5.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: 424.6°Cat760mmHg
- Flash Point: 210.6°C
- Appearance: /
- Density: 1.268g/cm3
- Vapor Pressure: 5.04E-07mmHg at 25°C
- Refractive Index: 1.537
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Methylthiophosphonic acid O-ethyl O-[p-(ethylsulfonyl)phenyl] ester(CAS DataBase Reference)
- NIST Chemistry Reference: Methylthiophosphonic acid O-ethyl O-[p-(ethylsulfonyl)phenyl] ester(3309-71-5)
- EPA Substance Registry System: Methylthiophosphonic acid O-ethyl O-[p-(ethylsulfonyl)phenyl] ester(3309-71-5)
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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: 3309-71-5(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 3309-71-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,0 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.Calculate Digit Verification of CAS Registry Number 3309-71:
(6*3)+(5*3)+(4*0)+(3*9)+(2*7)+(1*1)=75
75 % 10 = 5
So 3309-71-5 is a valid CAS Registry Number.
InChI:InChI=1/C11H17O4PS2/c1-4-14-16(3,17)15-10-6-8-11(9-7-10)18(12,13)5-2/h6-9H,4-5H2,1-3H3
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Methylthiophosphonic acid O-ethyl O-[p-(ethylsulfonyl)phenyl] ester
