2,3-Dichlorothiophene
2,3-二氯噻吩
Also known as: 2,3-Dichlorothiophene, MFCD00043890, 2,3-Dichlor-thiophen, 2,3-Dichloro-thiophene, 4,5-Dichlorothiophene, Thiophene, 2,3-dichloro-
2,3-Dichlorothiophene (CAS 17249-79-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2Cl2S and a molecular weight of 153.030 g/mol. It is also known as MFCD00043890, 2,3-Dichlor-thiophen and 2,3-Dichloro-thiophene. Key properties include a melting point of -26ºC, a boiling point of 170.7±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 68.9±8.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17249-79-5
- Jingsj CID
- J-1525350-1
- Molecular Formula
- C4H2Cl2S
- Chinese Name
- 2,3-二氯噻吩
- Molecular Weight
- 153.030 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -26ºC |
|---|---|
| Boiling Point | 170.7±20.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 68.9±8.5 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2,3-Dichlorothiophene?
The CAS number of 2,3-Dichlorothiophene is 17249-79-5.
What are the molecular formula and molecular weight of 2,3-Dichlorothiophene?
2,3-Dichlorothiophene has molecular formula C4H2Cl2S and molecular weight 153.030 g/mol.
Is 2,3-Dichlorothiophene hazardous?
2,3-Dichlorothiophene has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dichlorothiophene (CAS 17249-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525350-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.