Pyranthrene
Identifiers
3D model (JSmol)
1915988
ChEBI
ChemSpider
ECHA InfoCard 100.005.349
EC Number
  • 205-882-2
UNII
  • InChI=1S/C30H16/c1-3-7-23-17(5-1)13-19-9-11-22-16-26-24-8-4-2-6-18(24)14-20-10-12-21-15-25(23)27(19)29(22)30(21)28(20)26/h1-16H
    Key: LNKHTYQPVMAJSF-UHFFFAOYSA-N
  • C1=CC=C2C(=C1)C=C3C=CC4=CC5=C6C(=CC7=CC=CC=C75)C=CC8=CC2=C3C4=C86
Properties
C30H16
Molar mass 376.458 g/mol
Appearance reddish-brown or yellowish
Density 1.4±0.1 g/cm3
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Pyranthrene is a molecule with the chemical formula C30H16.[1]

Properties

Pyranthene is made up of eight benzene rings fused together, which classes it as a polycyclic aromatic hydrocarbon.[1]

It has a reddish-brown color, but turns to a yellowish color when it is purified via sublimation. The difference between these two forms of the molecule comes from the difference in the degrees of their crystallinity. The brown form of pyranthrene forms more perfect crystallites than the yellow form does.[2]

Pyranthrene is also an organic semiconductor. It displays photoconductive properties when it is in a solid state,[3] as well as when it is dissolved in a benzene solution.[4]

It has a density of 1.4±0.1 g/cm3.[5]

Uses

Pyranthrene has potential uses as a material used to make light-emitting diodes and solar cells.[6]

In addition, it has photophysical properties that allow it to be useful for biological imaging and sensing. However, pyranthrene has been shown to cause oxidative stress and DNA damage within cells,[6] and is classed as a carcinogen and an endocrine disruptor, which heavily limits its use in biological systems.[7]

Synthesis

Pyranthrene can be synthesized by reducing pyranthrone with zinc dust, acetic acid, and pyridine.[8]

References

  1. 1 2 National Center for Biotechnology Information (2023). "PubChem Compound Summary for CID 67447, Pyranthrene". pubchem.ncbi.nlm.nih.gov. Retrieved 2023-09-22.{{cite web}}: CS1 maint: numeric names: authors list (link)
  2. ↑ Mizuka, Sano; Hideo, Akamatu (August 22, 1963). "Semiconductivity and Color of Pyranthrene". Bulletin of the Chemical Society of Japan. 36 (12): 1695–1696. doi:10.1246/bcsj.36.1695. ISSN 0009-2673.
  3. ↑ Inokuchi, Hiroo (August 29, 1953). "Photoconductivity of the Condensed Polynuclear Aromatic Compunds". Bulletin of the Chemical Society of Japan. 27 (1): 22, 27. doi:10.1246/bcsj.27.22 – via CSJ Journals.
  4. ↑ Mizuka, Sano; Hideo, Akamatu (December 17, 1962). "Photoconductivity in an Organic Liquid Solution". Bulletin of the Chemical Society of Japan. 36 (4): 481. doi:10.1246/bcsj.36.480 – via CSJ Journals.
  5. ↑ "Pyranthrene | C30H16 | ChemSpider". www.chemspider.com. Retrieved 2023-09-22.
  6. 1 2 "Buy Pyranthrene - 191-13-9 | BenchChem". www.benchchem.com. Retrieved 2023-09-22.
  7. ↑ "pyranthrene (CHEBI:33159)". www.ebi.ac.uk. Retrieved 2023-09-22.
  8. ↑ Susumu, Doi; Akiyoshi, Fujita; Shigeo, Ikeura; Tamotsu, Inabe; Yoshio, Matsunaga (February 13, 1979). "Electrical Properties and Constitution of Several Low-resistivity Iodine Complexes". Bulletin of the Chemical Society of Japan. 52 (9): 2495. doi:10.1246/bcsj.52.2494 – via CSJ Journals.
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