tetramethylene phosphate

磷酸伸丁酯

Also known as: 1,2-Dioxaphosphepane,2-hydroxy-,2-oxide, 1,3,2-Dioxaphosphepane, 2-hydroxy-, 2-oxide, 1,4-butylenephosphoric acid, 2-Hydroxy-1,3,2-dioxaphosphepane 2-oxide, 2-hydroxy-1,3,2λ5-dioxaphosphepane 2-oxide, Tetramethylene phosphoric acid

tetramethylene phosphate (CAS 51374-71-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9O4P and a molecular weight of 152.08600 g/mol. It is also known as 1,2-Dioxaphosphepane,2-hydroxy-,2-oxide, 1,3,2-Dioxaphosphepane, 2-hydroxy-, 2-oxide and 1,4-butylenephosphoric acid. Key properties include a boiling point of 233.2ºC at 760 mmHg, a density of 1.35g/cm3 and a flash point of 94.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51374-71-1
Jingsj CID
J-1374048-7
Molecular Formula
C4H9O4P
Chinese Name
磷酸伸丁酯
Molecular Weight
152.08600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point233.2ºC at 760 mmHg
Density1.35g/cm3
Flash Point94.8ºC

Frequently Asked Questions

What is the CAS number of tetramethylene phosphate?

The CAS number of tetramethylene phosphate is 51374-71-1.

What are the molecular formula and molecular weight of tetramethylene phosphate?

tetramethylene phosphate has molecular formula C4H9O4P and molecular weight 152.08600 g/mol.

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

Last updated:

How to cite: Jingsj. "tetramethylene phosphate (CAS 51374-71-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1374048-7 (accessed 2026-10-24).

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