Chromane

Chromane
Names
	Preferred IUPAC name 3,4-Dihydro-2H-1-benzopyran
	Other names Chroman; Benzodihydropyran; Benzoxane
Identifiers
CAS Number	493-08-3 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	116150
ChEBI	CHEBI:33224;
ChemSpider	120093;
EC Number	874-955-4;
Gmelin Reference	122981
PubChem CID	136319;
UNII	EJ8R7LY9PK ;
CompTox Dashboard (EPA)	DTXSID10197758 ;
	InChI InChI=1S/C9H10O/c1-2-6-9-8(4-1)5-3-7-10-9/h1-2,4,6H,3,5,7H2 Key: VZWXIQHBIQLMPN-UHFFFAOYSA-N; InChI=1/C9H10O/c1-2-6-9-8(4-1)5-3-7-10-9/h1-2,4,6H,3,5,7H2 Key: VZWXIQHBIQLMPN-UHFFFAOYAB;
	SMILES C1CC2=CC=CC=C2OC1;
Properties
Chemical formula	C9H10O
Molar mass	134.178 g·mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H226, H302, H315, H319, H335
Precautionary statements	P210, P233, P240, P241, P242, P243, P261, P264, P264 P265, P270, P271, P280, P301 P317, P302 P352, P303 P361 P353, P304 P340, P305 P351 P338, P319, P321, P330, P332 P317, P337 P317, P362 P364, P370 P378, P403 P233, P403 P235, P405, P501
Related compounds
Related compounds	Tetrahydroquinoline, Tetralin, Chromene, Coumaran
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chromane (benzodihydropyran) is a heterocyclic chemical compound with the chemical formula C₉H₁₀O.^[2] Chromane is a structural feature of more complex compounds including E vitamins (tocopherols and tocotrienols), Dianin's compound, and the pharmaceutical drugs troglitazone, ormeloxifene, and nebivolol. Such compounds are sometimes described as chromans.

References

^ "Chromane". pubchem.ncbi.nlm.nih.gov. Retrieved 22 February 2024.
^ Rindfusz, R. E. (April 1919). "Syntheses of Chromanes and Coumaranes". Journal of the American Chemical Society. 41 (4): 665–670. doi:10.1021/ja01461a015.

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