Arsenous acid tri-p-tolyl ester, also known as tri-p-tolyl arsonite, is an organoarsenic compound with the chemical formula C21H21AsO3. It is formed by the esterification of arsenous acid (As2O3) with three molecules of p-tolyl alcohol (4-methylphenol). arsenous acid tri-p-tolyl ester is a colorless, crystalline solid that is soluble in organic solvents. It has been historically used as an insecticide and herbicide, but due to its toxicity and potential environmental and health risks, its use has been largely discontinued. The compound is also of interest in the field of organometallic chemistry for its unique structure and potential applications in materials science.
1529-85-7
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Basic information
- Product Name: arsenous acid tri-p-tolyl ester
- Synonyms:
- CAS NO:1529-85-7
- Molecular Formula:
- Molecular Weight: 396.318
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: arsenous acid tri-p-tolyl ester(CAS DataBase Reference)
- NIST Chemistry Reference: arsenous acid tri-p-tolyl ester(1529-85-7)
- EPA Substance Registry System: arsenous acid tri-p-tolyl ester(1529-85-7)
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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: 1529-85-7(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 1529-85-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,2 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.Calculate Digit Verification of CAS Registry Number 1529-85:
(6*1)+(5*5)+(4*2)+(3*9)+(2*8)+(1*5)=87
87 % 10 = 7
So 1529-85-7 is a valid CAS Registry Number.
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arsenous acid tri-p-tolyl ester
