Diethyl (2-oxobutyl)phosphonate

Diethyl (2-oxobutyl)phosphonate - Names and Identifiers

Name	Diethyl (2-oxobutyl)phosphonate
Synonyms	Diethyl (2-oxobutyl)phosphonate diethyl (2-oxobutyl)phosphonate 96 Diethyl propanoylmethylphosphonate DIETHYL (2-OXOBUTYL)PHOSPHONATE 96 Phosphonic acid, P-(2-oxobutyl)-, diethyl ester
CAS	1067-73-8
InChI	InChI=1/C8H17O4P/c1-4-8(9)7-13(10,11-5-2)12-6-3/h4-7H2,1-3H3

Diethyl (2-oxobutyl)phosphonate - Physico-chemical Properties

Molecular Formula	C8H17O4P
Molar Mass	208.19
Density	1.072 g/mL at 25 °C (lit.)
Boling Point	280.5°C at 760 mmHg
Flash Point	>230°F
Vapor Presure	0.00377mmHg at 25°C
Storage Condition	2-8°C
Refractive Index	n20/D 1.4360(lit.)
Physical and Chemical Properties	WGK Germany:3

Diethyl (2-oxobutyl)phosphonate - Risk and Safety

WGK Germany

Diethyl (2-oxobutyl)phosphonate - Introduction

Diethyl (2-oxobutyl) phosphine, chemical formula C10H23O2P, is an organic compound. It has the following characteristics and properties:

1. physical properties: diethyl (2-oxygen butyl) phosphine is a colorless to slightly yellow liquid, with flammability. It has a density of about 0.88g/cm³, a boiling point of about 202-204°C and a flash point of about 100°C. It is soluble in non-polar solvents such as petroleum ether and diethyl ether.

2. chemical properties: diethyl (2-oxygen butyl) phosphine can be used as a phosphine donor, through the formation of complexes with metals, to participate in organic synthesis reactions. It can also be used as a hydrogenation reagent, catalytic reduction reaction. In addition, it has certain ultraviolet absorption properties and can be used as an ultraviolet absorber in some cases.

3. Application: Diethyl (2-oxybutyl) phosphine is often used in the acylation of carboxylic acids, the carbonylation of olefins and the preparation of catalysts in organic synthesis. It can also be used in the synthesis of antioxidants, stabilizers, dyes and pharmaceutical intermediates.

4. Preparation method: Diethyl (2-oxobutyl) phosphine can be prepared by reacting a phosphorus compound with an alcohol. A common method of preparation is the reaction of diethylchlorophosphine with 2-butanol under basic conditions to produce the desired product.

5. Safety Information: Diethyl (2-oxybutyl) phosphine is generally considered to be relatively safe under normal conditions of use. However, it is combustible and should be kept away from fire and high temperatures. In case of contact with skin or eyes, rinse with plenty of water in time. Care should be taken to use personal protective equipment such as gloves and goggles during operation.

Last Update：2024-04-09 20:52:54