95020

Dimethyl vinylphosphonate

≥95% (GC)

• Synonym(s): 1-Dimethoxyphosphorylethene, Dimethyl ethenylphosphonate, Vinyl dimethylphosphonate, Vinyl(dimethoxy)oxophosphine, Vinylphosphonic acid dimethyl ester
• Linear Formula: CH₂=CHPO(OCH₃)₂
• CAS Number: 4645-32-3
• Molecular Weight: 136.09
• Beilstein: 1748827
• EC Number: 225-076-4
• MDL number: MFCD00015488
• UNSPSC Code: 12352100
• PubChem Substance ID: 57653648
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: ≥95% (GC)
• form: liquid
• refractive index: n20/D 1.430-1.435
• bp: 197-202 °C (lit.)
• density: 1.146 g/mL at 20 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: COP(=O)(OC)C=C
• InChI: 1S/C4H9O3P/c1-4-8(5,6-2)7-3/h4H,1H2,2-3H3
• InChI key: CQCXMYUCNSJSKG-UHFFFAOYSA-N

Description

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

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405
• Hazard Classifications: Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): 208.4 °F - closed cup
• Flash Point(C): 98 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves