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4775-09-1

Ethyl Diethylphosphinate, also known as O,O-diethyl phosphonite or DEP, is an organophosphorus compound with the chemical formula C4H11O2P. It is a colorless, volatile liquid that is soluble in water and organic solvents. DEP is primarily used as a flame retardant, plasticizer, and intermediate in the synthesis of other organophosphorus compounds. It is also employed as a gasoline additive to improve engine performance and reduce exhaust emissions. Due to its potential health and environmental concerns, DEP is subject to strict regulations and is being phased out in some applications.

4775-09-1

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4775-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4775-09-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,7 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4775-09:
(6*4)+(5*7)+(4*7)+(3*5)+(2*0)+(1*9)=111
111 % 10 = 1
So 4775-09-1 is a valid CAS Registry Number.
InChI:InChI=1/C6H15O2P/c1-4-8-9(7,5-2)6-3/h4-6H2,1-3H3

4775-09-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-diethylphosphoryloxyethane

1.2 Other means of identification

Product number -
Other names ETHYL DIETHYLPHOSPHINATE

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:4775-09-1 SDS

4775-09-1Relevant articles and documents

Autoxidation of Ethyl Phosphinite, Phosphonite, and Phosphite Esters

Hwang, Wen-Shu,Yoke, John T.

, p. 2088 - 2091 (2007/10/02)

The AIBN-initiated autoxidations in benzene of triethyl phosphite P(OEt)3, diethyl ethylphosphonite, EtP(OEt)2, and ethyl diethylphosphinite, Et2POEt, were studied at 50 deg C.The quantitative conversion of P(OEt)3 to triethyl phosphate obeys the rate law rate = (2.0 x 1E-4 atm-1s-1)PO2 and is zero order in phosphite.Autoxidation of EtP(OEt)2 and Et2POEt gives the complete mixture of intermediates and products predicted by Buckler's mechanism for the autoxidation of trialkylphosphines.At 1 atm of oxygen pressure and 0.02 M AIBN the pseudo-first-order rate law is rate = k', with k'= 7.49 x 1E-4 s-1 for EtP(OEt)2 and 2.37 x 1E-4 s-1 for Et2POEt.

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