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Phosphinous acid, diphenyl-, 2-chloro-1-methylethyl ester, also known as (2-chloro-1-methylethyl) diphenylphosphinate, is a chemical compound with the molecular formula C15H16ClO2P. It is an organophosphorus compound characterized by the presence of a phosphorus atom bonded to two phenyl groups and an ester group derived from 2-chloro-1-methylethyl alcohol. Phosphinous acid, diphenyl-, 2-chloro-1-methylethyl ester is a colorless liquid with a density of 1.2 g/cm3 and a melting point of -35°C. It is soluble in organic solvents and has a boiling point of 150°C at 0.1 mmHg. Due to its reactivity, it is sensitive to moisture and air, and should be stored under an inert atmosphere. This chemical is primarily used as a reagent in organic synthesis, particularly in the formation of phosphorus-containing compounds, and may have potential applications in the development of pharmaceuticals and agrochemicals.

839-95-2

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839-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 839-95-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 839-95:
(5*8)+(4*3)+(3*9)+(2*9)+(1*5)=102
102 % 10 = 2
So 839-95-2 is a valid CAS Registry Number.

839-95-2Relevant academic research and scientific papers

Preparation and Properties of, and Reactions with, Metal-Containing Heterocycles, XXXVII. Investigations on the Reactivity and Decomposition of Unstable Oxaphosphamanganacyclopentanes

Lindner, Ekkehard,Broesamle, Andreas

, p. 2730 - 2744 (2007/10/02)

The thermally labile five-membered metallacycles (OC)4Mn-(PPh2OCHR1)-CHR2 (3a-c) are obtained by reductive cycloelimination of (OC)4BrMnPPh2OCHR1CHR2Cl (2a-c) with sodium amalgam at 0 deg C in ether.According to kinetic investigations the decomposition of 3a-c, which results in the formation of2 (4) and ethene or propene, respectively, follows a first-order rate law.The estimated activation parameters ΔH*, ΔS*, and ΔG* indicate decreasing stability within the series 3b > 3a > 3c.The action of Co or HBr on 3a generates the phosphane oxide complex (OC)5MnP(Ph)2O (5) and (OC)4BrMnPPh2OH (6), respectively.Sulfur dioxide is easily inserted into the Mn-C ?-bond of 3a-c with formation of the stable cyclic sulfinato-S complexes (OC)4Mn-(PPh2OCHR1CHR2)-SO2 (7a-c).

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