4-hydroxy-2,6-diphenyl-4H-1,4λ⁵-oxaphosphinin-4-one

4-羟基-2,6-二苯基-4H-1,4λ⁵-氧磷杂己环-4-酮

Also known as: 4-Hydroxy-2,6-diphenyl-4H-1,4lambda5-oxaphosphinin-4-one, 4-Oxo-2,6-diphenyl-4H-4lambda*5*-[1,4]oxaphosphinin-4-ol, 4H-1,4-Oxaphosphorin, 4-hydroxy-2,6-diphenyl-, 4-oxide, 4-Hydroxy-2,6-diphenyl-4H-1,4-oxaphosphorin 4-oxide, 4-Hydroxy-2,6-diphenyl-1,4-oxaphosphorin 4-oxide, 4-Hydroxy-2,6-diphenyl-1,4λ5-oxaphosphinine 4-oxide, 4-Hydroxy-2,6-diphenyl-1,4, HMS1769H06

4-hydroxy-2,6-diphenyl-4H-1,4λ⁵-oxaphosphinin-4-one (CAS 56153-45-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H13O3P and a molecular weight of 284.24600 g/mol. It is also known as 4-Hydroxy-2,6-diphenyl-4H-1,4lambda5-oxaphosphinin-4-one, 4-Oxo-2,6-diphenyl-4H-4lambda*5*-[1,4]oxaphosphinin-4-ol and 4H-1,4-Oxaphosphorin, 4-hydroxy-2,6-diphenyl-, 4-oxide. Key properties include a boiling point of 551.3ºC at 760 mmHg, a density of 1.33g/cm3 and a flash point of 287.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56153-45-8
Jingsj CID
J-903438-7
Molecular Formula
C16H13O3P
Chinese Name
4-羟基-2,6-二苯基-4H-1,4λ⁵-氧磷杂己环-4-酮
Molecular Weight
284.24600 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point551.3ºC at 760 mmHg
Density1.33g/cm3
Flash Point287.2ºC

Frequently Asked Questions

What is the CAS number of 4-hydroxy-2,6-diphenyl-4H-1,4λ⁵-oxaphosphinin-4-one?

The CAS number of 4-hydroxy-2,6-diphenyl-4H-1,4λ⁵-oxaphosphinin-4-one is 56153-45-8.

What are the molecular formula and molecular weight of 4-hydroxy-2,6-diphenyl-4H-1,4λ⁵-oxaphosphinin-4-one?

4-hydroxy-2,6-diphenyl-4H-1,4λ⁵-oxaphosphinin-4-one has molecular formula C16H13O3P and molecular weight 284.24600 g/mol.

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

Last updated:

How to cite: Jingsj. "4-hydroxy-2,6-diphenyl-4H-1,4λ⁵-oxaphosphinin-4-one (CAS 56153-45-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-903438-7 (accessed 2026-10-24).

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