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Polycyclic organic compounds, Vat dyes, Cyclic compounds, Polycyclic aromatic compounds

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Aromatic compounds (2)
Dyes (2)
Anthraquinone dyes (1)
Phenol dyes (1)

Vat yellow 4 (128-66-5)  
dibenzo(b,def)chrysene-7,14-dione
7,14-Dibenzpyrenequinone is a yellow synthetic anthraquinone vat dye, known as Vat Yellow 4. It is a bright yellow solid. This dye is used mostly as a dye for textiles and paper.

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2-METHYLNAPHTHALENE (7419-61-6, 91-57-6)  
2-methylnaphthalene, methyl-13C-labeled  ·  2-methylnaphthalene, lithium salt, ion(1-)  ·  2-methylnaphthalene, naphthalene-1-(13)C-labeled
2-Methylnaphthalene is a polycyclic aromatic hydrocarbon (PAH). On February 22, 2014, NASA announced a greatly upgraded database for detecting and monitoring PAHs, including 2-methylnaphthalene, in the universe. According to NASA scientists, over 20% of the carbon in the universe may be associated with PAHs, possible starting materials for the formation of life.
Biphenyl (92-52-4, 68409-73-4)  
diphenyl  ·  diphenyl, 14C-labeled
Biphenyl (or diphenyl or phenylbenzene or 1,1′-biphenyl or lemonene) is an organic compound that forms colorless crystals. Particularly in older literature, compounds containing the functional group consisting of biphenyl less one hydrogen (the site at which it is attached) may use the prefixes xenyl or diphenylyl. It has a distinctively pleasant smell.
CADALENE (483-78-3)  
Cadalene or cadalin (4-isopropyl-1,6-dimethylnaphthalene) is a polycyclic aromatic hydrocarbon with a chemical formula C15H18 and a cadinane skeleton. It is derived from generic sesquiterpenes, and ubiquitous in essential oils of many higher plants. Cadalene, together with retene, simonellite and ip-iHMN, is a biomarker of higher plants, which makes it useful for paleobotanic analysis of rock sediments.
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.
FLUORENE (2299-68-5, 86-73-7)  
9H-fluorene
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.
Related searches
Polycyclic organic compounds
Vat dyes
Cyclic compounds
Polycyclic aromatic compounds
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