Etidronic acid

CAS 2809-21-4CH3C(OH)[PO(OH)2]2Chemical Synthesis

Etidronic acid (CAS 2809-21-4), with the linear formula CH3C(OH)[PO(OH)2]2, is a diphosphonic acid with a molecular weight of 206.03 g/mol. This compound is recognised for its utility in chemical synthesis and is particularly noted for its suitability in photographic applications. Tech Serve Solutions offers this chemical compound for various laboratory and industrial needs, adhering to stringent quality standards.

IUPAC: 1-Hydroxyethane-1,1,-diphosphonic acid,1-Hydroxyethylidenediphosphonic acid,HDEPA,HEDP,OEDFK
Synonyms: 1-Hydroxyethane-1,1-diphosphonic acid1-Hydroxyethylidenediphosphonic acidHDEPAHEDPOEDFK

Email us

Etidronic acid (CH3C(OH)[PO(OH)2]2) — chemical structure, CAS 2809-21-4; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisOrganic Building BlocksPhosphonic/Phosphinic AcidsPhosphorus Compounds

01 /Applications

Chemical Synthesis

Etidronic acid serves as a valuable building block in organic synthesis. Its unique diphosphonic acid structure allows for diverse chemical transformations, contributing to the development of new compounds and materials.

Photographic Applications

This compound is suitable for use in photographic processes. Its properties can contribute to the stabilisation or development stages within photographic chemistry, a specialised industrial application.

Phosphorus Compound Research

As a notable phosphorus compound, Etidronic acid is of interest for research into phosphonic and phosphinic acid derivatives. It can be used in studies exploring the properties and reactions of organophosphorus chemistry.

02 /Properties

Molecular weight	206.03
Linear formula	CH3C(OH)[PO(OH)2]2
Suitability	suitable for photographic applications

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H290May be corrosive to metals
H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES

Protective equipment	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Water hazard class (WGK, DE)	2
Hazard codes (EU)	Xn
Risk statements (R)	22-41
Safety statements (S)	26-39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

2809-21-4

MDL number

MFCD00070585

PubChem substance

24895766

Beilstein registry

1789291

05 /Quality & supply

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.

06 /Frequently asked questions

What is Etidronic acid used for?

Etidronic acid is used in chemical synthesis, particularly as a building block for organic compounds. It also finds suitability in photographic applications and is of interest in phosphorus compound research.

What is the CAS number and formula for Etidronic acid?

The CAS number for Etidronic acid is 2809-21-4 and its linear formula is CH3C(OH)[PO(OH)2]2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Etidronic acid. While specific assay information is available upon request, TSS does not represent this product as USP, BP, or EP grade.

What are the main safety hazards associated with Etidronic acid?

Etidronic acid is classified as corrosive, with hazard statements H290 (May be corrosive to metals) and H318 (Causes serious eye damage). Appropriate personal protective equipment, including eyeshields and chemical-resistant gloves, should be used when handling.