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Diethylphosphinic acid methyl ester, also known as methyl diethylphosphinite, is an organophosphorus compound with the chemical formula C5H13O2P. It is a colorless liquid that is soluble in organic solvents and has a mild, characteristic odor. Diethylphosphinic acid methyl ester is primarily used as a precursor in the synthesis of various organophosphorus compounds, such as pesticides, flame retardants, and other specialty chemicals. It is also employed as a ligand in coordination chemistry and as an intermediate in the production of pharmaceuticals. Due to its reactivity and potential toxicity, it is essential to handle diethylphosphinic acid methyl ester with care and proper safety measures.

5689-41-8

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5689-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5689-41-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,8 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5689-41:
(6*5)+(5*6)+(4*8)+(3*9)+(2*4)+(1*1)=128
128 % 10 = 8
So 5689-41-8 is a valid CAS Registry Number.
InChI:InChI=1/C5H13O2P/c1-4-8(6,5-2)7-3/h4-5H2,1-3H3

5689-41-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-[ethyl(methoxy)phosphoryl]ethane

1.2 Other means of identification

Product number -
Other names o-methyl diethylphosphonate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5689-41-8 SDS

5689-41-8Relevant academic research and scientific papers

Evaluation of Phosphinic Acid Derivatives as Reagents For Amine Protection in Peptide Synthesis

Ramage, Robert,Atrash, Butrus,Hopton, David,Parrot, Maxwell J.

, p. 1217 - 1226 (2007/10/02)

The results of a kinetic study of the acid-catalysed methanolysis of a series of N-(2-phenyl-ethyl)phosphinamides incorporating selected substituents on phosphorus have been evaluated in order to define the optimum reagent and conditions for amine protection of α-amino acids during peptide synthesis.

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