3,4-Dichlorothiophene 1,1-Dioxide

3,4-二氯噻吩1,1-二氧化物

Also known as: Thiophene, 3,4-dichloro-, 1,1-dioxide, 3,4-Dichlorothiophene S,S-dioxide

3,4-Dichlorothiophene 1,1-Dioxide (CAS 52819-14-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2Cl2O2S and a molecular weight of 185.02800 g/mol. It is also known as Thiophene, 3,4-dichloro-, 1,1-dioxide and 3,4-Dichlorothiophene S,S-dioxide. Key properties include a melting point of 113ºC, a boiling point of 256.2ºC at 760 mmHg, a density of 1.74g/cm3 and a flash point of 108.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
52819-14-4
Jingsj CID
J-1518521-3
Molecular Formula
C4H2Cl2O2S
Chinese Name
3,4-二氯噻吩1,1-二氧化物
Molecular Weight
185.02800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point113ºC
Boiling Point256.2ºC at 760 mmHg
Density1.74g/cm3
Flash Point108.7ºC

Frequently Asked Questions

What is the CAS number of 3,4-Dichlorothiophene 1,1-Dioxide?

The CAS number of 3,4-Dichlorothiophene 1,1-Dioxide is 52819-14-4.

What are the molecular formula and molecular weight of 3,4-Dichlorothiophene 1,1-Dioxide?

3,4-Dichlorothiophene 1,1-Dioxide has molecular formula C4H2Cl2O2S and molecular weight 185.02800 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Dichlorothiophene 1,1-Dioxide (CAS 52819-14-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518521-3 (accessed 2026-10-24).

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