4,5,9,10-Tetrahydropyrene

Also known as: 4,5,9,10-Tetrahydro-pyren, 4,5,9,10-tetrahydro-pyrene, 4,5,9,10-tetrahydropyrene, MFCD00267195, Pyrene, 4,5,9,10-tetrahydro-, Pyrene,4,5,9,10-tetrahydro, pyrene-4,5,9,10-tetraone, tetrahydro-pyrene

4,5,9,10-Tetrahydropyrene (CAS 781-17-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H14 and a molecular weight of 206.282 g/mol. Key properties include a boiling point of 349.1±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 176.1±14.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 781-17-9
Jingsj CID: J-42609-5
Molecular Formula: C₁₆H₁₄
Molecular Weight: 206.282 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	349.1±27.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	176.1±14.4 °C
Exact Mass	206.109543
LogP	5.78
Vapor Pressure	0.0±0.4 mmHg at 25°C
Refractive Index	1.666

Customs & Trade Information

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,5,9,10-Tetrahydropyrene?

The CAS number of 4,5,9,10-Tetrahydropyrene is 781-17-9.

What are the molecular formula and molecular weight of 4,5,9,10-Tetrahydropyrene?

4,5,9,10-Tetrahydropyrene has molecular formula C16H14 and molecular weight 206.282 g/mol.

What are the upstream and downstream products of 4,5,9,10-Tetrahydropyrene?

For 4,5,9,10-Tetrahydropyrene, Upstream Products: Pyrene, Dichloromethyl methyl ether; Downstream Products: Pyrene, 2-Nitropyrene, 2,7-Dibromopyrene.

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. "4,5,9,10-Tetrahydropyrene (CAS 781-17-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42609-5 (accessed 2026-11-09).

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