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Diethyl phosphite

Product Name:
Diethyl phosphite
CAS No.
762-04-9
Chemical Name:
Diethyl phosphite
CBNumber:
CB7318904
Molecular Formula:
C4H11O3P
Formula Weight:
138.1
MOL File:
762-04-9.mol
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Diethyl phosphite Property

Melting point:
-70 °C
Boiling point:
50-51 °C2 mm Hg(lit.)
Density 
1.072 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.407(lit.)
Flash point:
180 °F
form 
Liquid
color 
Colorless
Specific Gravity
1.072
Water Solubility 
miscible (hydrolysis)
Sensitive 
Moisture Sensitive
Hydrolytic Sensitivity
7: reacts slowly with moisture/water
BRN 
605759
Stability:
Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, strong bases. May decompose on exposure to moisture. Combustible.
InChIKey
MJUJXFBTEFXVKU-UHFFFAOYSA-N
CAS DataBase Reference
762-04-9(CAS DataBase Reference)
NIST Chemistry Reference
Phosphonic acid, diethyl ester(762-04-9)
EPA Substance Registry System
Diethyl phosphite (762-04-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38-43
Safety Statements 
26-36/37/39-37/39-28-27
WGK Germany 
1
RTECS 
TG7875000
10-13-21
TSCA 
Yes
HS Code 
29209014
Hazardous Substances Data
762-04-9(Hazardous Substances Data)
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N-Bromosuccinimide Price More Price(10)

Sigma-Aldrich Gold
Product number:
D99234
Product name :
Diethyl phosphite
Purity:
98%
Packaging:
250g
Price:
$56.2
Updated:
2019/12/02
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Sigma-Aldrich Gold
Product number:
365920
Product name :
Diethyl phosphite
Purity:
technical grade, 94%
Packaging:
1l
Price:
$98.9
Updated:
2019/12/02
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Buy
Alfa Aesar Gold
Product number:
043801
Product name :
Diethyl phosphite, 96%
Packaging:
1kg
Price:
$196
Updated:
2020/06/24
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Alfa Aesar Gold
Product number:
043801
Product name :
Diethyl phosphite, 96%
Packaging:
250g
Price:
$61.7
Updated:
2020/06/24
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Strem Chemicals Gold
Product number:
93-1521
Product name :
Diethylphosphite, min. 95%
Packaging:
100g
Price:
$41
Updated:
2020/06/24
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Diethyl phosphite Chemical Properties,Usage,Production

Chemical Properties

colourless liquid

Uses

Diethyl phosphite (DEPI) is a versatile reactive intermediate used in the production of various phosphorus based substances. It may be used to prepare the nickel chloride-diethyl phosphite system, efficient catalyst for the cross-coupling reaction between various functionalized arylzinc halides and aryl bromides, triflates and activated chlorides.
It may be used:

  1. in the stereoselective synthesis of β-fluorinated alkylphosphonates
  2. Used in synthesis of homoallylic bromide
  3. Used in synthesis of series of carbazole-based α-aminophosphonates
  4. used as an extraction agent and phosphate intermediate.
  5. Used in synthesis of pesticides kitazine and phosethyl-Al as well as synthetic O, O-diethyl phosphoryl chloride.
  6. used for the synthesis of plasticizers, flame retardants, etc.
  7. Diethyl phosphite is reported to be chemical warfare agent (CWA) simulant, simulant for nerve agents sarin, soman, tabun, and VX.

Definition

ChEBI: A phosphonic ester that is the diethyl ester of phosphonic acid.

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Diethyl phosphite Suppliers

Global(230)Suppliers
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