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Citropten

Also known as: 5,7-Dimethoxycoumarin, 5,7-Dimethoxy-2H-1-benzopyran-2-one, 5,7-Dimethoxy-2H-chromen-2-one, Limettin, 5,7-dimethoxychromen-2-one

Citropten (CAS 487-06-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H10O4 and a molecular weight of 206.195 g/mol. Key properties include a melting point of 146-149 °C(lit.), a boiling point of 388.1±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 176.3±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
487-06-9
Jingsj CID
J-28252-0
Molecular Formula
C11H10O4
Molecular Weight
206.195 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point146-149 °C(lit.)
Boiling Point388.1±42.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point176.3±27.9 °C
Exact Mass206.057907
PSA48.67000
LogP2.06
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.557

GHS Safety & Compliance

IrritantSignal word: Warning
  • H317 — May cause an allergic skin reaction

Activity & Biological Data

Additional Information[1]. Makki S, et al. High-performance liquid chromatographic determination of citropten and bergapten in suction blister fluid after solar product application in humans. J Chromatogr. 1991 Feb 15;563(2):407-13. [2]. Wolny D, et al. Antiproliferative effect of valproic acid and 5,7-dimethoxycoumarin against A2058 human melanoma cells. Acta Pol Pharm. 2014 Nov-Dec;71(6):1056-9.

Frequently Asked Questions

What is the CAS number of Citropten?

The CAS number of Citropten is 487-06-9.

What are the molecular formula and molecular weight of Citropten?

Citropten has molecular formula C11H10O4 and molecular weight 206.195 g/mol.

Is Citropten hazardous?

Citropten has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of Citropten?

For Citropten, Upstream Products: 3,5-Dimethoxyphenol, Propiolic acid, 5,7-Dihydroxycoumarin; Downstream Products: Fraxinol, Phloroglucinol, acetic acid.

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

Last updated:

How to cite: Jingsj. "Citropten (CAS 487-06-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28252-0 (accessed 2026-11-09).

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