8-Bromo-2H-1-benzopyran-3(4H)-one｜Huagongshe

HuagongsheHuagongshe Chemistry Print Report · For research reference only

HCID 19087148Generated: October 27, 2026

8-Bromo-2H-1-benzopyran-3(4H)-one

8-Bromo-3-chromanone · 8-BroMochroMan-3-one · 8-Bromo-2H-1-benzopyran-3(4H)-one · 2H-1-Benzopyran-3(4H)-one, 8-bromo- · 8-bromo-3,4-dihydro-2H-1-benzopyran-3-one

https://huagongshe.com/en/chemical/19087148

8-Bromo-2H-1-benzopyran-3(4H)-one molecular structure

Identifiers & Physical Properties

CAS No.	133118-80-6
Molecular formula	C9H7BrO2
Average molar mass	227.05 g/mol
Monoisotopic mass	225.96294156 g/mol
SMILES	O=C1COc2c(Br)cccc2C1
InChIKey	GIOQDMYJFVLYBB-UHFFFAOYSA-N
PubChem CID	19087148
EC No.	838-307-4
DTXSID	DTXSID50597935

Chemical & Physical Properties

XLogP	2.1
Topological polar surface area	26.3
Hydrogen bond donors	0
Hydrogen bond acceptors	2
Rotatable bonds	0
Heavy atoms	12
Formal charge	0
Complexity	193
Boiling point	341.4±42.0 °C(Predicted)
Density	1.621±0.06 g/cm3(Predicted)
GHS pictogram	GHS07
Signal word	Warning
GHS hazard statements	H335-H315-H302-H319
GHS precautionary statements	P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501-P264-P280-P302+P352-P321-P332+P313-P362

Safety & Regulations

GHS classification	WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and Categories	Acute Tox. 4 (100%)
Signal word	Warning
GHS pictogram	GHS07
GHS hazard statements	H335-H315-H302-H319
GHS precautionary statements	P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501-P264-P280-P302+P352-P321-P332+P313-P362