2-Selenophenecarboxaldehyde

Also known as: 2-Formylselenophene, selenophene-2-carbaldehyde, selenophene-2-carboaldehyde, selenophene-2-carboxaldehyde, selenophene-2-carboxyaldehyde, 2-selenophenecarbaldehyde, selenofurfural

2-Selenophenecarboxaldehyde (CAS 25109-26-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H4OSe and a molecular weight of 159.04500 g/mol. Key properties include a boiling point of 208.1ºC at 760mmHg and a flash point of 79.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 25109-26-6
Jingsj CID: J-1368578-4
Molecular Formula: C₅H₄OSe
Molecular Weight: 159.04500 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	208.1ºC at 760mmHg
Flash Point	79.6ºC
Exact Mass	159.94300
PSA	17.07000
LogP	0.55610
Vapor Pressure	0.218mmHg at 25°C
Refractive Index	1.63

Customs & Trade Information

HS Code	2912190090
Summary	2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Selenophenecarboxaldehyde?

The CAS number of 2-Selenophenecarboxaldehyde is 25109-26-6.

What are the molecular formula and molecular weight of 2-Selenophenecarboxaldehyde?

2-Selenophenecarboxaldehyde has molecular formula C5H4OSe and molecular weight 159.04500 g/mol.

What are the upstream and downstream products of 2-Selenophenecarboxaldehyde?

For 2-Selenophenecarboxaldehyde, Upstream Products: Selenophene, N,N-Dimethylformamide, N-Methylformanilide.

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-Selenophenecarboxaldehyde (CAS 25109-26-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368578-4 (accessed 2026-11-09).

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