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7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile

3-氰基伞形酮

Also known as: 3-Cyanoumbelliferone, 3-Cyano-7-hydroxycoumarin, 3-Cyano-7-hydroxycoumarin *CAS 19088-73-4*, 3-CYANOUMBELLIFERONE (3-CYANO-7-HYDROXYCOUMARIN),FLUOROMETRIC AGENT, 3-CYANO-7-HYDROXYCOUMARIN, 3-CYANOUMBELLIFERONE, FOR FLUORESCENCE*, 7-Hydroxy-2-oxochromene-3-carbonitrile, 7-hydroxy-2-oxo-1-benzopyran-3-carbonitrile, 7-hydroxy-2-oxo-2H-chromene-3-carbonitrile

7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile (CAS 19088-73-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H5NO3 and a molecular weight of 187.15200 g/mol. It is also known as 3-Cyanoumbelliferone, 3-Cyano-7-hydroxycoumarin and 3-Cyano-7-hydroxycoumarin *CAS 19088-73-4*. Key properties include a melting point of ≥250ºC(lit.), a boiling point of 436.6ºC at 760 mmHg, a density of 1.5 g/cm3 and a flash point of 217.8ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19088-73-4
Jingsj CID
J-1959163-4
Molecular Formula
C10H5NO3
Chinese Name
3-氰基伞形酮
Molecular Weight
187.15200 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point≥250ºC(lit.)
Boiling Point436.6ºC at 760 mmHg
Density1.5 g/cm3
Flash Point217.8ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile?

The CAS number of 7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile is 19088-73-4.

What are the molecular formula and molecular weight of 7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile?

7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile has molecular formula C10H5NO3 and molecular weight 187.15200 g/mol.

Is 7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile hazardous?

7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "7-Hydroxy-2-oxo-2H-chromene-3-carbonitrile (CAS 19088-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959163-4 (accessed 2026-10-26).

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