Article · Wikipedia archive · Last revised Jun 11, 2026

Chromane

Chromane (benzodihydropyran) is a heterocyclic chemical compound with the chemical formula C9H10O. 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.

Last revised
Jun 11, 2026
Read time
≈ 1 min
Length
230 w
Citations
2
Source
Chromane
source ↗
Names
Preferred IUPAC name
3,4-Dihydro-2H-1-benzopyran
Other names
Chroman; Benzodihydropyran; Benzoxane
Identifiers
3D model (JSmol)
116150
ChEBI
ChemSpider
ECHA InfoCard 100.344.744
EC Number
  • 874-955-4
122981
UNII
  • 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
  • C1CC2=CC=CC=C2OC1
Properties
C9H10O
Molar mass 134.178 g·mol−1
Hazards
GHS labelling:1
GHS02: FlammableGHS07: Exclamation mark
Warning
H226, H302, H315, H319, H335
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).

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.

See also

See also

References

References

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