Description
Ethylphosphonic Acid (CAS No. 6779-09-5) is an organophosphorus compound with the molecular formula C2H7O3P. This high-purity reagent is ideal for research and industrial applications, offering excellent stability and reactivity. It is commonly used as a precursor in organic synthesis, coordination chemistry, and material science. Available in various packaging options to suit laboratory-scale or bulk requirements, our Ethylphosphonic Acid is rigorously tested for purity and consistency. Store in a cool, dry place away from strong oxidizing agents to maintain product integrity.
Properties
- CAS Number: 6779-09-5
- Complexity: 72.9
- IUPAC Name: ethylphosphonic acid
- InChI: InChI=1S/C2H7O3P/c1-2-6(3,4)5/h2H2,1H3,(H2,3,4,5)
- InChI Key: GATNOFPXSDHULC-UHFFFAOYSA-N
- Exact Mass: 110.01328108
- Molecular Formula: C2H7O3P
- Molecular Weight: 110.05
- SMILES: CCP(=O)(O)O
- Topological: 57.5
- Monoisotopic Mass: 110.01328108
- Synonyms: Ethylphosphonic acid, 6779-09-5, Ethanephosphonic acid, Phosphonic acid, ethyl-, SEL78D6NLX, P-ETHYLPHOSPHONIC ACID, DTXSID20218044, PHOSPHONIC ACID, P-ETHYL-, EINECS 229-839-2, DTXCID40140535, 229-839-2, gatnofpxsdhulc-uhfffaoysa-n, 4-Ethylphosphonic Acid, ETHYLPHOSPHONATE, MFCD00002141, UNII-SEL78D6NLX, Ethylphosphonic acid, 98%, SCHEMBL35435, SCHEMBL94386, SCHEMBL99716, SCHEMBL7026305, SCHEMBL9711348, CHEMBL3234431, BDBM84557, CHEBI:139369, GAA77909, AKOS015892851, DB-009742, NS00036176, G77225
Application
Ethylphosphonic Acid is widely utilized as a key intermediate in the synthesis of phosphonate-based ligands and metal-organic frameworks (MOFs). It serves as a versatile building block in the preparation of flame retardants, corrosion inhibitors, and agrochemicals. Researchers also employ it in the development of novel catalysts and functionalized materials due to its reactive phosphonic acid group.
Safety and Hazards
GHS Hazard Statements
- H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H318 (86.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
Precautionary Statements
- P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P405, and P501
Hazard Classes and Categories
- Skin Corr. 1B (100%)
- Eye Dam. 1 (86.4%)
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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.


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