Lucidone

Also known as: Lucidone, 4-Cyclopentene-1,3-dione, 2-[(2E)-1-hydroxy-3-phenyl-2-propen-1-ylidene]-4-methoxy-, (2Z)-, 2-[(2E)-1-Hydroxy-3-phenyl-2-propen-1-ylidene]-4-methoxy-4-cyclopentene-1,3-dione

Lucidone (CAS 19956-53-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H12O4 and a molecular weight of 256.253 g/mol. Key properties include a boiling point of 489.6±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 188.6±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19956-53-7
Jingsj CID: J-1978480-7
Molecular Formula: C₁₅H₁₂O₄
Molecular Weight: 256.253 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	489.6±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	188.6±22.2 °C
Exact Mass	256.073547
PSA	63.60000
LogP	1.95
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.620
Storage Conditions	2-8℃

Activity & Biological Data

Target	p38 MAPK JNK p50 p65 COX-2 NF-κB iNOS IKK
Additional Information	[1]. Senthil Kumar KJ, et aL. Lucidone inhibits iNOS and COX-2 expression in LPS-induced RAW 264.7 murine macrophage cells via NF-kappaB and MAPKs signaling pathways. Planta Med. 2009 Apr;75(5):494-500. [2]. Chen WC, et al. Lucidone suppresses dengue viral replication through the induction of heme oxygenase-1. Virulence. 2018 Jan 1;9(1):588-603.

Customs & Trade Information

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Lucidone?

The CAS number of Lucidone is 19956-53-7.

What are the molecular formula and molecular weight of Lucidone?

Lucidone has molecular formula C15H12O4 and molecular weight 256.253 g/mol.

What are the upstream and downstream products of Lucidone?

For Lucidone, Upstream Products: Benzaldehyde.

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. "Lucidone (CAS 19956-53-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1978480-7 (accessed 2026-11-06).

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