(±)-[5]helicene

(5)螺烯

Also known as: (+)-Pentahelicene, (5)HELICENE, (A'A A'A currency)-Pentahelicene, 3,4:5,6-Dibenzophenanthrene, DIBENZO(C,G)PHENANTHRENE, Dibenzo(c,g)phenanthrene, Dibenzo[c,g]phenanthrene, Dibenzo[c,g]phenanthrene,(A'A A'A currency), Naphtho[2,1-c]phenanthrene, Pentahelicene, [5]Helicene, [pR,(-)]-Dibenzo[c,g]phenanthrene, [pS,(+)]-Dibenzo[c,g]phenanthrene, pentahelicene

(±)-[5]helicene (CAS 188-52-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C22H14 and a molecular weight of 278.347 g/mol. It is also known as (+)-Pentahelicene, (5)HELICENE and (A'A A'A currency)-Pentahelicene. Key properties include a boiling point of 524.7±17.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 264.5±15.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
188-52-3
Jingsj CID
J-1418597-5
Molecular Formula
C22H14
Chinese Name
(5)螺烯
Molecular Weight
278.347 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point524.7±17.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point264.5±15.1 °C

Frequently Asked Questions

What is the CAS number of (±)-[5]helicene?

The CAS number of (±)-[5]helicene is 188-52-3.

What are the molecular formula and molecular weight of (±)-[5]helicene?

(±)-[5]helicene has molecular formula C22H14 and molecular weight 278.347 g/mol.

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

Last updated:

How to cite: Jingsj. "(±)-[5]helicene (CAS 188-52-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1418597-5 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.