Basic Description

Synonyms	J-011018 \| Q15634162 \| Vinylphosphonic acid, 97% \| Ethenylphosphonic acid \| Vinylphosphonic acid \| Vinylphosphonic Acid, \| CS-0077085 \| EN300-202975 \| vinyl phosphonic acid \| Vinylphosphonic acid, >=90.0% (T) \| AC8342 \| p -Ethenylphosphonic acid \| VPA
Specifications & Purity	≥95%(T)
Storage Temp	Protected from light
Shipped In	Normal
Product Description	Vinylphosphonic acid (VPA) is an organophosphorus compound that is used in the surface treatment of metal substrates. It can be used in the preparation of poly(VPA) by radical polymerization in the presence of initiator systems and chain transfer agents. PVPA tends to have an electrolytic nature, which is useful for a variety of energy based applications.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organic acids and derivatives
  - Class Organic phosphonic acids and derivatives
    - Subclass Organic phosphonic acids

Kingdom	Organic compounds
Superclass	Organic acids and derivatives
Class	Organic phosphonic acids and derivatives
Subclass	Organic phosphonic acids
Intermediate Tree Nodes	Not available
Direct Parent	Organic phosphonic acids
Alternative Parents	Organopnictogen compounds Organophosphorus compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aliphatic acyclic compounds
Substituents	Organophosphonic acid - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organophosphorus compound - Aliphatic acyclic compound
Description	This compound belongs to the class of organic compounds known as organic phosphonic acids. These are organic compounds containing phosphonic acid.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	ethenylphosphonic acid
INCHI	InChI=1S/C2H5O3P/c1-2-6(3,4)5/h2H,1H2,(H2,3,4,5)
InChIKey	ZTWTYVWXUKTLCP-UHFFFAOYSA-N
Smiles	C=CP(=O)(O)O
Isomeric SMILES	C=CP(=O)(O)O
RTECS	SZ7903500
PubChem CID	168725
UN Number	3265
Packing Group	III
Molecular Weight	108.03
Beilstein	4(4)3568
Reaxy-Rn	1741622

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

17 results found

Lot Number	Certificate Type	Date	Item
G2501662	Certificate of Analysis	Jun 20, 2025	V162980
G2501663	Certificate of Analysis	Jun 20, 2025	V162980
G2501664	Certificate of Analysis	Jun 20, 2025	V162980
G2501665	Certificate of Analysis	Jun 20, 2025	V162980
A2513503	Certificate of Analysis	Dec 30, 2024	V162980
F2228675	Certificate of Analysis	Jun 07, 2022	V162980
F2228672	Certificate of Analysis	Jun 07, 2022	V162980
F2228667	Certificate of Analysis	Jun 07, 2022	V162980
K2328124	Certificate of Analysis	May 25, 2022	V162980
L2410104	Certificate of Analysis	May 25, 2022	V162980
I2212447	Certificate of Analysis	May 25, 2022	V162980
I2212448	Certificate of Analysis	May 25, 2022	V162980
I2212449	Certificate of Analysis	May 25, 2022	V162980
I2212450	Certificate of Analysis	May 25, 2022	V162980
G2422476	Certificate of Analysis	May 25, 2022	V162980
I2212446	Certificate of Analysis	May 25, 2022	V162980
K2408147	Certificate of Analysis	May 25, 2022	V162980

Show more⌵

Chemical and Physical Properties

Sensitivity	light sensitive,heat sensitive
Flash Point(°C)	242°C
Boil Point(°C)	98 °C/2 mmHg
Molecular Weight	108.030 g/mol
XLogP3	-1.100
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	107.998 Da
Monoisotopic Mass	107.998 Da
Topological Polar Surface Area	57.500 Å²
Heavy Atom Count	6
Formal Charge	0
Complexity	91.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

Citations of This Product

How to Cite Aladdin Scientific Products?

1. Xinyi Chen, Yunlong Wu, Ru Feng, Kai Yu, Jianming Pan. (2023) Poly(vinylphosphonic acid) grafted hollow microspheres with nanoparticles-stacked polymer shell for uranium selective extraction: Dynamic role translation of ethyl α-cyanoacrylate. SEPARATION AND PURIFICATION TECHNOLOGY, 326 (124797).
2. Zhao Yi, Li Junwen, Wu Sijin, Cheng Haiming. (2022) Ion-imprinted guanidine-functionalized zeolite molecular sieves enhance the adsorption selectivity and antibacterial properties for uranium extraction. RSC Advances, 12 (24): (15470-15478).
3. Deyu Wang, Yongfu Kang, Lei Lei, Yoann de Rancourt de Mimérand, Xiaoyun Jin, Jia Guo. (2022) Plasma-derived in situ complexation-assisted precipitation for the fabrication of supported Zn-doped CdS, for water depollution. APPLIED SURFACE SCIENCE, 587 (152803).
4. Deyu Wang, Kun Li, Cong Zhou, Lei lei, Yoann de Rancourt de Mimérand, Xiaoyun Jin, Jia Guo. (2022) Bi2MoO6 and Ag nanoparticles immobilized on textile by plasma-derived innovative techniques to generate antimicrobial activity. APPLIED SURFACE SCIENCE, 585 (152591).
5. Xiaofei Yan, Jie Fang, Jianjun Gu, Chenkai Zhu, Dongming Qi. (2022) Flame Retardancy, Thermal and Mechanical Properties of Novel Intumescent Flame Retardant/MXene/Poly(Vinyl Alcohol) Nanocomposites. Nanomaterials, 12 (3): (477).
6. Sen Yang, Meiyun Xu, Jia Yin, Tongxin Zhao, Chengqi Li, Daoben Hua. (2020) Thermal-responsive Ion-imprinted magnetic microspheres for selective separation and controllable release of uranium from highly saline radioactive effluents. SEPARATION AND PURIFICATION TECHNOLOGY, 246 (116917).
7. Henghui Huang, Liwen Ni, Jiaoyan Xu, Xiaojun Xie, Li Zhang, Cheng Yang, Jiantao Fan, Hui Li, Haijiang Wang. (2020) An in situ cross-linked vinylphosphonic acid-modified aminosilicon oxide gel electrolyte for proton exchange membrane fuel cells. Sustainable Energy & Fuels, 4 (6): (2859-2868).
8. Kun Li, Yoann de Rancourt de Mimérand, Xiaoyun Jin, Jungang Yi, Jia Guo. (2020) Metal Oxide (ZnO and TiO2) and Fe-Based Metal–Organic-Framework Nanoparticles on 3D-Printed Fractal Polymer Surfaces for Photocatalytic Degradation of Organic Pollutants. ACS Applied Nano Materials, 3 (3): (2830–2845).
9. Xiao-Mei He, Gang-Tian Zhu, Yuan-Yuan Zhu, Xi Chen, Zheng Zhang, Shao-Ting Wang, Bi-Feng Yuan, Yu-Qi Feng. (2014) Facile Preparation of Biocompatible Sulfhydryl Cotton Fiber-Based Sorbents by “Thiol–ene” Click Chemistry for Biological Analysis. ACS Applied Materials & Interfaces, 6 (20): (17857–17864).
10. Xiao-Shui Li, Li-Dan Xu, Ya-Bing Shan, Bi-Feng Yuan, Yu-Qi Feng. (2012) Preparation of magnetic poly(diethyl vinylphosphonate-co-ethylene glycol dimethacrylate) for the determination of chlorophenols in water samples. JOURNAL OF CHROMATOGRAPHY A, 1265 (24).
11. Xiao-Shui Li, Jian-Hong Wu, Yong Zhao, Wei-Ping Zhang, Qiang Gao, Lin Guo, Bi-Feng Yuan, Yu-Qi Feng. (2011) Preparation of magnetic polymer material with phosphate group and its application to the enrichment of phosphopeptides. JOURNAL OF CHROMATOGRAPHY A, 1218 (3845).
12. Xiaoyun Lei, Yang Li, Lu Yu, Siying Meng, Haitao Xu, Rui Wu, Junhai Liu, Xinxin Zhao, Zuoping Zhao. (2025) A reliable fluorescent aptasensor for selective detection of trace estradiol based on metal–organic framework click-grafting aptamers functionalized fabric. MICROCHEMICAL JOURNAL, 210 (113010).
13. Jianchun Qin, Shichang Zhang, Shunyan Ning, Jishu Zeng, Zheyu He, Liang Luo, Junming Li, Yuezhou Wei. (2025) Efficient removal of uranyl ions from aqueous phase using novel phosphonate modified porous silica. SEPARATION AND PURIFICATION TECHNOLOGY, 362 (131863).
14. Hao Liang, Wei Tian, Nana Wang, Hongping Zhang, Cuicui Li, Ruibin Guo, Nijuan Liu, Zunli Mo. (2024) One-pot synthesis of novel polyvinylphosphonic acid hydrogels for efficient separation of low-enriched uranium in water. JOURNAL OF MOLECULAR LIQUIDS, 404 (124979).
15. Chunlong Zuo, Wei Tan, Jieyun Zhao, Lina Jiang, Yongli Zhang, Yuanlin Ren, Xiaohui Liu. (2024) Synthesis of a novel biomass-based flame retardant featuring vinyl-terminated chemical cross-linking and application in flame retardancy, smoke suppression, toxicity reduction and mechanical enhancement of PAN composite fibers. COMPOSITES PART B-ENGINEERING, 287 (111846).

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

=

Concentration

x

Volume

x

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

x

Volume 1 (V1)

=

Concentration 2 (C2)

x

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

=

Mass (in vial)

÷

Desired Reconstitution Concentration

SKU	Size	Availability	Price
V162980-1g	1g	4	$9.90
V162980-5g	5g	3	$37.90
V162980-25g	25g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$143.90
V162980-100g	100g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$359.90
V162980-250g	250g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$719.90

Vinylphosphonic Acid - >95.0%(T), high purity , CAS No.1746-03-8