phenalene

Also known as: 1H-Benzonaphthene, 1H-Phenalen, 1H-Phenalene, Benzonaphthene, EINECS 205-907-7, Perinaphthene, Perinaphthinden, Perinaphthindene, Phenalene, peri-Naphthindene, peri-benznaphthalene

phenalene (CAS 203-80-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H10 and a molecular weight of 166.21800 g/mol. Key properties include a boiling point of 316.4ºC at 760mmHg, a density of 1.139g/cm3 and a flash point of 150.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 203-80-5
Jingsj CID: J-8316-8
Molecular Formula: C₁₃H₁₀
Molecular Weight: 166.21800 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	316.4ºC at 760mmHg
Density	1.139g/cm3
Flash Point	150.7ºC
Exact Mass	166.07800
LogP	3.40910
Vapor Pressure	0.000765mmHg at 25°C
Refractive Index	1.691

Customs & Trade Information

HS Code	2912299000
Summary	2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of phenalene?

The CAS number of phenalene is 203-80-5.

What are the molecular formula and molecular weight of phenalene?

phenalene has molecular formula C13H10 and molecular weight 166.21800 g/mol.

What are the upstream and downstream products of phenalene?

For phenalene, Upstream Products: Perinaphthenone; Downstream Products: Cumene, Perinaphthenone, 2-methylpyrene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "phenalene (CAS 203-80-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8316-8 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.