4,7-二羟基香豆素

Description

4,7-DIHYDROXYCOUMARIN · CAS 1983-81-9 · C9H6O4. UNII W5NCA34GEB. Melting Point: 282 °C.

Identification

CAS Registry Number	1983-81-9
PubChem CID	54679630
Molecular formula	C9H6O4
IUPAC name	4,7-dihydroxychromen-2-one
UNII (FDA)	W5NCA34GEB

Computed Descriptors

Molecular Weight	178.14
XLogP3	0.9
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	178.02660867
Monoisotopic Mass	178.02660867
Topological Polar Surface Area	66.8
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Melting Point	282 °C

Physical description & handling notes

• Solid

GHS Hazard Classification

Reported hazard statements	H302 (97.5%), H319 (100%)

Synonyms

4,7-Dihydroxycoumarin; 4,7-Dihydroxy-2H-chromen-2-one; 2H-1-BENZOPYRAN-2-ONE, 4,7-DIHYDROXY-; 4,7-Dihydroxy-2H-1-benzopyran-2-one; Coumarin, 4,7-dihydroxy-; 4,7-Dihydroxy-coumarin; DTXSID70173558; NSC 136214; RefChem:96730; DTXCID2096049; 688-530-4; CYSRKZFPSNZSCS-UHFFFAOYSA-N; 1983-81-9; 4,7-dihydroxychromen-2-one; MFCD00203882; NSC136214

Frequently Asked Questions

What are the CAS number and molecular formula of 4,7-DIHYDROXYCOUMARIN?

CAS 1983-81-9; molecular formula C9H6O4; molecular weight — g/mol.

What other names is 4,7-DIHYDROXYCOUMARIN known by?

4,7-Dihydroxycoumarin, 4,7-Dihydroxy-2H-chromen-2-one, 2H-1-BENZOPYRAN-2-ONE, 4,7-DIHYDROXY-, 4,7-Dihydroxy-2H-1-benzopyran-2-one, Coumarin, 4,7-dihydroxy-, 4,7-Dihydroxy-coumarin.

Is 4,7-DIHYDROXYCOUMARIN classified as hazardous?

Hazard statements reported: H302, H319.

What are the key physical properties of 4,7-DIHYDROXYCOUMARIN?

Melting Point: 282 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.