The CAS register number of Vinylphosphonic acid is 1746-03-8. It also can be called as Phosphonic acid, ethenyl- and the systematic name about this chemical is ethenylphosphonic acid. The molecular formula about this chemical is C₂H₅O₃P and molecular weight is 108.03. It belongs to the following product categories which include Monomers; Polymer Science; Vinyl Halides, Amines, Amides, and Other Vinyl Monomers; Organic Building Blocks; Phosphonic/Phosphinic Acids; Phosphorus Compounds and so on.

Physical properties about Vinylphosphonic acid are: (1)ACD/LogP: -1.42; (2)ACD/LogD (pH 5.5): -4.57; (3)ACD/LogD (pH 7.4): -5.24; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 3; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 45.34Ų; (12)Index of Refraction: 1.465; (13)Molar Refractivity: 20.98 cm³; (14)Molar Volume: 75.8 cm³; (15)Polarizability: 8.31x10^-24cm³; (16)Surface Tension: 54.8 dyne/cm; (17)Enthalpy of Vaporization: 55.5 kJ/mol; (18)Boiling Point: 266.2 °C at 760 mmHg; (19)Vapour Pressure: 0.00253 mmHg at 25°C.

The Vinylphosphonic acid is a versatile polyelectrolyte useful in several applications: proton conductor for fuel cells, chemical and biological sensors, biocomposite materials and surface modification and adhesion. By the catalytic dehydrochlorination of 2-chloroethylphosphonic dichloride, we can get this chemical.

When you are using this chemical, please be cautious about it as the following:
This chemical can cause burns and severe burns. It is harmful if swallowed. When you are using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, please rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell, please seek medical advice immediately (show the label whenever possible.)

You can still convert the following datas into molecular structure:
(1)SMILES: O=P(O)(O)\C=C
(2)InChI: InChI=1/C2H5O3P/c1-2-6(3,4)5/h2H,1H2,(H2,3,4,5)
(3)InChIKey: ZTWTYVWXUKTLCP-UHFFFAOYAX
(4)Std. InChI: InChI=1S/C2H5O3P/c1-2-6(3,4)5/h2H,1H2,(H2,3,4,5)
(5)Std. InChIKey: ZTWTYVWXUKTLCP-UHFFFAOYSA-N

The toxicity data is as follows: