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Triptycene

Also known as: 9,10-Dihydro-9,10-[1,2]benzenoanthracene, 9,10-Dihydro-o-benzeno-anthracen, 9,10-O-BENZENO-9,10-DIHYDROANTHRACENE, 9,10-dihydro-9,10-o-benzenoanthracene, 9,10-o-Benzeno-9,10-dihydroanthracene, 9,10-o-Benzenoanthracene, 9,10-dihydro-, Anthracene, 9,10-dihydro-9,10-O-benzeno-, EINECS 207-519-3, MFCD00003813, Pentacyclo[6.6.6.0.0.0]icosa-2,4,6,9,11,13,15,17,19-nonaene, RARECHEM AQ BC 8A30, TRIPTYCENE, Tribenzobicyclo[2.2.2]octatriene, Triptycene,98+%, Tryptycene, pentacyclo[6.6.6.0.0.0]icosa-2,4,6,9,11,13,15,17,19-nonaene (non-preferred name)

Triptycene (CAS 477-75-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H14 and a molecular weight of 254.325 g/mol. Key properties include a melting point of 252-254ºC(lit.), a boiling point of 371.8±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 171.7±20.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
477-75-8
Jingsj CID
J-15435-8
Molecular Formula
C20H14
Molecular Weight
254.325 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point252-254ºC(lit.)
Boiling Point371.8±37.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point171.7±20.6 °C
Exact Mass254.109543
LogP4.57
Vapor Pressure0.0±0.4 mmHg at 25°C
Refractive Index1.689

Frequently Asked Questions

What is the CAS number of Triptycene?

The CAS number of Triptycene is 477-75-8.

What are the molecular formula and molecular weight of Triptycene?

Triptycene has molecular formula C20H14 and molecular weight 254.325 g/mol.

What are the upstream and downstream products of Triptycene?

For Triptycene, Upstream Products: 9-Bromotriptycene, 2,3-Dichlorotoluene, 1,2,4,5-Tetrabromobenzene.

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

Last updated:

How to cite: Jingsj. "Triptycene (CAS 477-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15435-8 (accessed 2026-11-07).

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