Tetraethyl-phosphonium ethylate, also known as TEPA, is an organophosphorus compound with the chemical formula (C2H5)4P+CH3COO-. It is a colorless, viscous liquid that is soluble in water and organic solvents. TEPA is primarily used as a catalyst in various chemical reactions, such as esterification, transesterification, and polymerization processes. It is also employed as a flame retardant, particularly in plastics and textiles, due to its ability to char materials and reduce the release of flammable gases during combustion. Additionally, TEPA has applications in the synthesis of other organophosphorus compounds and as a reagent in analytical chemistry. However, it is important to note that TEPA is toxic and should be handled with care due to its potential health and environmental risks.
4896-89-3
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Basic information
- Product Name: tetraethyl-phosphonium; ethylate
- Synonyms: tetraethyl-phosphonium; ethylate
- CAS NO:4896-89-3
- Molecular Formula:
- Molecular Weight: 192.282
- 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: tetraethyl-phosphonium; ethylate(CAS DataBase Reference)
- NIST Chemistry Reference: tetraethyl-phosphonium; ethylate(4896-89-3)
- EPA Substance Registry System: tetraethyl-phosphonium; ethylate(4896-89-3)
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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: 4896-89-3(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 4896-89-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,9 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.Calculate Digit Verification of CAS Registry Number 4896-89:
(6*4)+(5*8)+(4*9)+(3*6)+(2*8)+(1*9)=143
143 % 10 = 3
So 4896-89-3 is a valid CAS Registry Number.
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tetraethyl-phosphonium; ethylate
