Etidronic Acid

Name: Etidronic Acid
Brand: Vaqora Chemicals
SKU: VQ-039628

About Etidronic Acid

Listed under CAS 2809-21-4, Etidronic Acid is a high-purity reference standard of Etidronic Acid available from Vaqora Chemicals. With the molecular formula C2H8O7P2, it has a molar mass of 206.03 g/mol. Its systematic (IUPAC) name is (1-hydroxy-1-phosphonoethyl)phosphonic acid. It is also known as Etidronate or Hydroxyethane 1,1-diphosphonic acid.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a reference sample of Etidronic Acid, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Etidronic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Etidronic Acid

View every impurity, metabolite and intermediate we list for Etidronic Acid.

Etidronic Acid impurities

Specifications & identifiers

Chemical identifiers
Product name	Etidronic Acid
Catalogue No.	VQ-039628
CAS Number	2809-21-4
IUPAC name	(1-hydroxy-1-phosphonoethyl)phosphonic acid
Molecular formula	C₂H₈O₇P₂
Molecular weight	206.03 g/mol
Exact mass	205.9745
Grade	Reference Standard
HSN code	38229090
InChIKey	DBVJJBKOTRCVKF-UHFFFAOYSA-N
SMILES	CC(O)(P(=O)(O)O)P(=O)(O)O
PubChem CID	3305

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.7
H-bond donors / acceptors	5 / 7
TPSA	135 Å²
Synonyms	Etidronate, Hydroxyethane 1,1-diphosphonic acid, 1-Hydroxyethylidene-1,1-diphosphonic acid, Turpinal SL, Acetodiphosphonic acid, Hydroxyethanediphosphonic acid, Acido etidronico, Acide etidronique, Oxyethylidenediphosphonic acid, Dequest 2015, Dequest Z 010, Ferrofos 510

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H290May be corrosive to metals
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P234, P260, P264, P264 + P265, P270, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P363, P390, P405, P406, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Etidronic Acid?

The CAS Registry Number of Etidronic Acid is 2809-21-4. It is also known as Etidronate, Hydroxyethane 1,1-diphosphonic acid, 1-Hydroxyethylidene-1,1-diphosphonic acid.

What is the molecular formula and molecular weight of Etidronic Acid?

Etidronic Acid has the molecular formula C2H8O7P2 and a molecular weight of 206.03 g/mol. Its IUPAC name is (1-hydroxy-1-phosphonoethyl)phosphonic acid.

What is Etidronic Acid used for?

Etidronic Acid is supplied as a characterised reference material related to Etidronic Acid. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Etidronic Acid can I order?

We supply Etidronic Acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Etidronic Acid?

Yes. Every lot of Etidronic Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Etidronic Acid be shipped internationally?

Yes. Etidronic Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.