Pamidronic acid

帕米膦酸

Also known as: (3-Amino-1-hydroxypropylidene)diphosphonic acid, (3-amino-1-hydroxypropylidene)bisphosphonic acid, 3-Amino-1-hydroxy-1,1-propanediphosphonic acid, Pamidronate, EINECS 254-905-2

Pamidronic acid (CAS 40391-99-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H11NO7P2 and a molecular weight of 235.06900 g/mol. It is also known as (3-Amino-1-hydroxypropylidene)diphosphonic acid, (3-amino-1-hydroxypropylidene)bisphosphonic acid and 3-Amino-1-hydroxy-1,1-propanediphosphonic acid. Key properties include a melting point of 226-228ºC, a boiling point of 658.7ºC at 760 mmHg, a density of 1.998 g/cm3 and a flash point of 352.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40391-99-9
Jingsj CID
J-44328-1
Molecular Formula
C3H11NO7P2
Chinese Name
帕米膦酸
Molecular Weight
235.06900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point226-228ºC
Boiling Point658.7ºC at 760 mmHg
Density1.998 g/cm3
Flash Point352.2ºC

Frequently Asked Questions

What is the CAS number of Pamidronic acid?

The CAS number of Pamidronic acid is 40391-99-9.

What are the molecular formula and molecular weight of Pamidronic acid?

Pamidronic acid has molecular formula C3H11NO7P2 and molecular weight 235.06900 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Pamidronic acid (CAS 40391-99-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44328-1 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.