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Ethyl phenylphosphinate

ALDRICH/415642 - 94%

Synonym: Ethoxyphenylphosphine oxide; O-Ethyl phenylphosphinate; Phenylphosphinic acid ethyl ester

CAS Number: 2511-09-3
Empirical Formula (Hill Notation): C8H11O2P
Molecular Weight: 170.15
MDL Number: MFCD11505905
Linear Formula: C6H5P(O)H(OC2H5)
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-415642-5ML 5 mL
 $0.00
1/EA
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45-415642-25ML 25 mL
 $259.00
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assay 94%
bp 94-95 °C/1 mmHg (lit.)
density 1.129 g/mL at 25 °C (lit.)
form liquid
InChI 1S/C8H11O2P/c1-2-10-11(9)8-6-4-3-5-7-8/h3-7,11H,2H2,1H3
InChI key UNUJZVUJPIOMGH-UHFFFAOYSA-N
refractive index n20/D 1.526 (lit.)
SMILES string CCO[PH](=O)c1ccccc1
Application: Ethyl phenylphosphinate may be used in the preparation of the following diethyl imidazol-2-yl-(amino) methylphosphonates and phosphinates:
• imidazol-2-yl-methyl(N-butylamino)phosphonate diethyl ester
• imidazol-2-yl-methyl(N-benzylamino)phosphonate diethyl ester
• imidazol-2-yl-methyl(N-butylamino)phenylphosphinate ethyl ester
• imidazol-2-yl-methyl(N-benzylamino)phenylphosphinate ethyl ester
General description: Ethyl phenylphosphinate is an organophosphorous compound. It undergoes regioselective Markovnikov addition reaction with terminal alkynes in the presence of palladium-1,2-bis(diphenylphosphino)ethane complex (catalyst). Ethyl phenylphosphinate is the photodecomposition product of Inezin (S-benzyl O-ethyl phenylphosphonothiolate) on the ultraviolet irradiation. It can be prepared by the reaction of phosphinic acid with ethyl chloroformate in the presence of pyridine. Its ethylation using ethyl trimethylsilyl phenylphosphonite or the corresponding trimethylstannyl ester has been described. Its free-radical addition to ethylene has been reported to proceed with the retention of configuration.
Packaging: 5, 25 mL in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) 235.4 °F - closed cup
Flash Point(C) 113 °C - closed cup
Purity 94%
bp 94-95 °C/1 mmHg (lit.)
Density 1.129 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.526 (lit.)
UNSPSC 12352100

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