Cyclic compounds (4)
FLUORENE (2299-68-5, 86-73-7)
Fluorene , or 9H-fluorene, is a polycyclic aromatic hydrocarbon. It forms white crystals that exhibit a characteristic, aromatic odor similar to that of naphthalene. It is combustible.
1-METHYLNAPHTHALENE (90-12-0, 1321-94-4)
1-Methylnaphthalene is a polycyclic aromatic hydrocarbon (PAH). It has a cetane number of zero, and was previously used as the lower reference for cetane number. However, due to the expense and handling difficulty of 1-methylnaphthalene, it was replaced in this capacity by isocetane, with a CN of 15.
Pentachloroethane is a non-flammable but toxic chemical compound of chlorine, hydrogen, and carbon. It is used as a solvent for oil and grease, in metal cleaning, and in the separation of coal from impurities.
FLUORANTHENE (206-44-0, 76774-50-0)
Fluoranthene is a polycyclic aromatic hydrocarbon (PAH). The molecule can be viewed as the fusion of naphthalene and benzene unit connected by a five-membered ring. Although samples are often pale yellow, the compound is colorless.
naphthalene (91-20-3, 68412-25-9)
Naphthalene is an organic compound with formula C 10H 8. It is the simplest polycyclic aromatic hydrocarbon, and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass. As an aromatic hydrocarbon, naphthalene's structure consists of a fused pair of benzene rings.
perchloroethane · carbon hexachloride · Avlothane
Hexachloroethane, also known as perchloroethane (PCA), C2Cl6, is a white crystalline solid at room temperature with a camphor-like odor. It has been used by the military in smoke compositions, such as base-eject smoke munitions (smoke grenades).
ACENAPHTHYLENE (208-96-8, 34493-60-2)
acenaphthylene, radical ion (1-)
Acenaphthylene is a polycyclic aromatic hydrocarbon. The molecule resembles naphthalene with positions 1 and 8 connected by a C2H2 unit. It is a yellow solid.