2,5-Diethylthiophene

Also known as: 2,5-Diethylthiophene, Thiophene, 2,5-diethyl-, ,5-Diethylthiophene, 2,5-Diaethylthiophen

2,5-Diethylthiophene (CAS 5069-23-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12S and a molecular weight of 140.24600 g/mol. Key properties include a boiling point of 181ºC at 760 mmHg, a density of 0.97g/cm3 and a flash point of 40.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5069-23-8
Jingsj CID: J-1965971-3
Molecular Formula: C₈H₁₂S
Molecular Weight: 140.24600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	181ºC at 760 mmHg
Density	0.97g/cm3
Flash Point	40.8ºC
Exact Mass	140.06600
PSA	28.24000
LogP	2.87290
Refractive Index	1.517

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2,5-Diethylthiophene?

The CAS number of 2,5-Diethylthiophene is 5069-23-8.

What are the molecular formula and molecular weight of 2,5-Diethylthiophene?

2,5-Diethylthiophene has molecular formula C8H12S and molecular weight 140.24600 g/mol.

What are the upstream and downstream products of 2,5-Diethylthiophene?

For 2,5-Diethylthiophene, Upstream Products: 3,6-Octanedione, 1-Penten-3-one, 2-Ethylthiophene; Downstream Products: 2-Ethylthiophene, 3-Ethylthiophene, Carbon disulphide.

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. "2,5-Diethylthiophene (CAS 5069-23-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1965971-3 (accessed 2026-11-09).

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