1,4-Butylenediphosphonic acid

1,4-丁二膦酸

Also known as: Butane-1,4-diyldiphosphonic acid, 1,4-Butanediphosphonic acid, 1,4-Butanebisphosphonic acid, 1,4-Butylenebisphosphonic acid, 1,4-Diphosphonobutane, 4-phosphonobutylphosphonic acid, MFCD01631212

1,4-Butylenediphosphonic acid (CAS 4671-77-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H12O6P2 and a molecular weight of 218.08200 g/mol. It is also known as Butane-1,4-diyldiphosphonic acid, 1,4-Butanediphosphonic acid and 1,4-Butanebisphosphonic acid. Key properties include a melting point of 219-221ºC, a boiling point of 544.4ºC at 760 mmHg and a flash point of 283.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4671-77-6
Jingsj CID
J-5380-6
Molecular Formula
C4H12O6P2
Chinese Name
1,4-丁二膦酸
Molecular Weight
218.08200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point219-221ºC
Boiling Point544.4ºC at 760 mmHg
Flash Point283.1ºC

Frequently Asked Questions

What is the CAS number of 1,4-Butylenediphosphonic acid?

The CAS number of 1,4-Butylenediphosphonic acid is 4671-77-6.

What are the molecular formula and molecular weight of 1,4-Butylenediphosphonic acid?

1,4-Butylenediphosphonic acid has molecular formula C4H12O6P2 and molecular weight 218.08200 g/mol.

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

Last updated:

How to cite: Jingsj. "1,4-Butylenediphosphonic acid (CAS 4671-77-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5380-6 (accessed 2026-10-23).

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