Triphenyl-silanecarboxylic acid ethyl ester, also known as ethyl triphenylsilylacetate, is an organosilicon compound with the chemical formula C22H22O2Si. It is a colorless to pale yellow liquid that is soluble in common organic solvents. triphenyl-silanecarboxylic acid ethyl ester is characterized by the presence of a triphenylsilyl group (SiPh3) attached to an ester functional group derived from acetic acid. It is synthesized by the reaction of triphenylsilanol with ethyl chloroacetate or by the transesterification of triphenylsilyl acetate with ethanol. Triphenyl-silanecarboxylic acid ethyl ester is used as a reagent in organic synthesis, particularly in the formation of silyl enol ethers, which are important intermediates in various organic transformations. It is also employed in the protection of carbonyl groups and as a ligand in transition metal-catalyzed reactions. Due to its sensitivity to hydrolysis and oxidation, it should be handled with care and stored under an inert atmosphere.
16403-19-3
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Basic information
- Product Name: triphenyl-silanecarboxylic acid ethyl ester
- Synonyms: triphenyl-silanecarboxylic acid ethyl ester
- CAS NO:16403-19-3
- Molecular Formula:
- Molecular Weight: 332.474
- 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: triphenyl-silanecarboxylic acid ethyl ester(CAS DataBase Reference)
- NIST Chemistry Reference: triphenyl-silanecarboxylic acid ethyl ester(16403-19-3)
- EPA Substance Registry System: triphenyl-silanecarboxylic acid ethyl ester(16403-19-3)
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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: 16403-19-3(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 16403-19-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,4,0 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.Calculate Digit Verification of CAS Registry Number 16403-19:
(7*1)+(6*6)+(5*4)+(4*0)+(3*3)+(2*1)+(1*9)=83
83 % 10 = 3
So 16403-19-3 is a valid CAS Registry Number.
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triphenyl-silanecarboxylic acid ethyl ester
