3-Phenylazoacetylacetone

Also known as: 3-Phenylazo-2,4-pentanedione, 3-(Phenylazo)pentane-2,4-dione, 3-Phenylazoacethylacetone, 2,4-Pentanedione, 3-(phenylazo)-, 3-(Phenyldiazenyl)pentane-2,4-dione, 3-(2-Phenyldiazenyl)pentane-2,4-dione, 2,4-Pentanedione, 3-(2-phenyldiazenyl)-

3-Phenylazoacetylacetone (CAS 56276-49-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O2 and a molecular weight of 204.22500 g/mol. Key properties include a melting point of 86-90ºC, a boiling point of 269.2ºC at 760mmHg, a density of 1.11g/cm3 and a flash point of 107.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 56276-49-4
Jingsj CID: J-3089-7
Molecular Formula: C₁₁H₁₂N₂O₂
Molecular Weight: 204.22500 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	86-90ºC
Boiling Point	269.2ºC at 760mmHg
Density	1.11g/cm3
Flash Point	107.9ºC
Exact Mass	204.09000
PSA	58.86000
LogP	2.31690
Refractive Index	1.546

Customs & Trade Information

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Phenylazoacetylacetone?

The CAS number of 3-Phenylazoacetylacetone is 56276-49-4.

What are the molecular formula and molecular weight of 3-Phenylazoacetylacetone?

3-Phenylazoacetylacetone has molecular formula C11H12N2O2 and molecular weight 204.22500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-Phenylazoacetylacetone (CAS 56276-49-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3089-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.