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2-Hydroxyethanephosphonic Acid (CAS 22987-21-9)

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Alternate Names:
P-(2-Hydroxyethyl)-phosphonic Acid
CAS Number:
22987-21-9
Molecular Weight:
126.05
Molecular Formula:
C2H7O4P
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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2-Hydroxyethanephosphonic Acid, referred to as HEP, wide-ranging applications in scientific research include uses as a chelating agent for the creation of organic compounds, and as a corrosion inhibitor in diverse applications. Furthermore, 2-Hydroxyethanephosphonic Acid is used as a reagent for polymer synthesis and other material production, and as a catalyst in polymer production processes. It also finds use in drug production and as a stabilizer for proteins and enzymes. 2-Hydroxyethanephosphonic Acid functions as a chelating agent by binding to metal ions and avoiding the formation of insoluble complexes. As a corrosion inhibitor, it forms a protective layer on metal surfaces. 2-Hydroxyethanephosphonic Acid′s role as a synthesizing reagent for organic compounds is complemented by its ability to serve as a catalyst in polymer production. It also stabilizes proteins and enzymes and potentially inhibits certain enzyme reactions.


2-Hydroxyethanephosphonic Acid (CAS 22987-21-9) References

  1. Gas chromatographic determination of acids derived from phosphorus by trimethylsilylation with N,O-bis(trimethylsilyl)trifluoroacetamide  |  Georg. Bauer and Walter. Vogt. Publication Date:May 1, 1981.: Anal. Chem. 1981,,. 53, 6: 917–919.
  2. OLEFIN FORMATION VIA N,N,N′,N′-TETRAMETHYLDIAMIDES OF 1,2-DIARYL-2-HYDROXYETHANEPHOSPHONIC ACIDS IN ACIDIC MEDIA  |  Jordanka Petrova, et al. Received 14 Apr 1988. Phosphorus and Sulfur and the Related Elements. Volume 40, 1988 - Issue 1-2: Pages 69-74.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

2-Hydroxyethanephosphonic Acid, 25 mg

sc-490451
25 mg
$401.00