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Dimethyl vinylphosphonate

ALDRICH/95020 - ≥95% (GC)

Synonym: 1-Dimethoxyphosphorylethene; Dimethyl ethenylphosphonate; Vinyl dimethylphosphonate; Vinyl(dimethoxy)oxophosphine; Vinylphosphonic acid dimethyl ester

CAS Number: 4645-32-3
Empirical Formula (Hill Notation): C4H9O3P
Molecular Weight: 136.09
EC Number: 225-076-4
MDL Number: MFCD00015488
Linear Formula: CH2=CHPO(OCH3)2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-95020-5ML 5 mL
 $240.00
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assay ≥95% (GC)
bp 197-202 °C (lit.)
density 1.146 g/mL at 20 °C (lit.)
form liquid
InChI 1S/C4H9O3P/c1-4-8(5,6-2)7-3/h4H,1H2,2-3H3
InChI key CQCXMYUCNSJSKG-UHFFFAOYSA-N
Quality Level 100 
refractive index n20/D 1.430-1.435
SMILES string COP(=O)(OC)C=C
storage temp. 2-8°C
Application: • Improving the Corrosion Resistance of Lead in H2SO4 by Addition of Phosphoric and Phosphonic Compounds: This study discusses how Dimethyl Vinylphosphonate enhances lead grid batteries′ corrosion resistance (S Khatbi et al., 2016 ).
• Relay Cross Metathesis Reactions of Vinylphosphonates: This publication highlights the reaction of Dimethyl Vinylphosphonate with neat methylimidazole, showcasing a potential route for producing valuable organic salts (RK Malla et al., 2014 ).
• Enhanced Flame Retardance of Polyacrylonitrile with Dimethyl Vinylphosphonate: Focuses on improving the flame retardancy of textiles, adding significant value in material safety applications (X Dong et al., 2021 ).
Other Notes: Vinylphosphonates are versatile reagents undergoing Michael addition giving alkyl phosphonates; synthesis of aziridine-2-phosphonates, useful for preparing α-amino phosphonates
Packaging: 5 mL in glass bottle
Purity ≥95% (GC)
bp 197-202 °C (lit.)
Density 1.146 g/mL at 20 °C (lit.)
Refractive Index n20/D 1.430-1.435
Storage Temp. 2-8°C
UNSPSC 12352100

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