Etidronic acid monohydrate
Etidronic acid monohydrate (CAS: 25211-86-3), with the molecular formula C2H8O7P2 · H2O and a molecular weight of 224.04 g/mol, is a diphosphonate compound. It is primarily recognised for its chelating properties. This chemical is widely employed as a building block in organic synthesis and in various industrial applications requiring mineral scale inhibition and metal ion control.
- IUPAC
- 1-Hydroxyethylidenediphosphonic acid
Industrial Scale Inhibitor
Etidronic acid monohydrate is effective in preventing the formation of mineral scales, such as calcium carbonate, in water treatment systems and industrial processes. It sequesters metal ions, thereby reducing their precipitation and deposition on surfaces.
Chemical Synthesis Intermediate
As a versatile organic building block, it serves as a precursor or reagent in the synthesis of more complex molecules. Its diphosphonate structure makes it valuable in creating compounds with specific chelating or functional properties.
Metal Ion Complexation
The compound effectively forms stable complexes with various metal ions. This property is utilised in applications where control over metal ion activity is crucial, such as in detergents and metal surface treatments.
| Molecular weight | 224.04 |
|---|---|
| Empirical formula | C2H8O7P2 · H2O |
| Assay | ≥95.0% (T) |
Hazard statements
- H318Causes serious eye damage
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Transport (UN / ADR) | UN 3082 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 41 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Etidronic acid monohydrate used for?
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Etidronic acid monohydrate is used as an industrial scale inhibitor, a chemical synthesis intermediate, and for metal ion complexation.
What is the CAS number and formula for Etidronic acid monohydrate?
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The CAS number is 25211-86-3 and the molecular formula is C2H8O7P2 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Etidronic acid monohydrate with a purity of ≥95.0% (Titration). This product is supplied for research and industrial use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Etidronic acid monohydrate be handled safely?
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Etidronic acid monohydrate is classified as Danger with hazard statements H318 (causes serious eye damage) and H413 (may cause long lasting harmful effects to aquatic life). It is recommended to wear protective gloves and eye/face protection, and rinse cautiously with water for several minutes if in eyes. Avoid release to the environment.
How is Etidronic acid monohydrate packed and shipped?
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Etidronic acid monohydrate is shipped as UN 3082, Class 9, Packing Group III. Specific packaging details can be provided upon request.
How can I request a sample or quote?
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To request a sample or a quote for Etidronic acid monohydrate, please contact our sales team through the website or by phone.
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