4,5-Dichlorothiophene-2-carbaldehyde

4,5-二氯-2-噻吩甲醛

Also known as: 4,5-Dichloro-2-thiophenecarboxaldehyde, 4,5-dichlorothiophene-2-carboxaldehyde, 2-Thiophenecarboxaldehyde, 4,5-dichloro-, 4,5-DICHLOROTHIOPHENE-2-CARBOXALDEHYDE

4,5-Dichlorothiophene-2-carbaldehyde (CAS 67482-49-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2Cl2OS and a molecular weight of 181.04000 g/mol. It is also known as 4,5-Dichloro-2-thiophenecarboxaldehyde, 4,5-dichlorothiophene-2-carboxaldehyde and 2-Thiophenecarboxaldehyde, 4,5-dichloro-. Key properties include a boiling point of 254.3ºC at 760 mmHg, a density of 1.581g/cm3 and a flash point of 107.6°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 67482-49-9
Jingsj CID: J-1496545-4
Molecular Formula: C₅H₂Cl₂OS
Chinese Name: 4,5-二氯-2-噻吩甲醛
Molecular Weight: 181.04000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	254.3ºC at 760 mmHg
Density	1.581g/cm3
Flash Point	107.6°C

Frequently Asked Questions

What is the CAS number of 4,5-Dichlorothiophene-2-carbaldehyde?

The CAS number of 4,5-Dichlorothiophene-2-carbaldehyde is 67482-49-9.

What are the molecular formula and molecular weight of 4,5-Dichlorothiophene-2-carbaldehyde?

4,5-Dichlorothiophene-2-carbaldehyde has molecular formula C5H2Cl2OS and molecular weight 181.04000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,5-Dichlorothiophene-2-carbaldehyde (CAS 67482-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496545-4 (accessed 2026-10-24).

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