2,5-Dichlorothiophene
2,5-二氯噻吩
Also known as: 2,5-Dichlorothiophene, Dichlorothiophene, 2,5-dichloro-thiophene, 5-chloro-2-thienyl chloride
2,5-Dichlorothiophene (CAS 173777-89-4) 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 153.03000 g/mol. It is also known as Dichlorothiophene, 2,5-dichloro-thiophene and 5-chloro-2-thienyl chloride. Key properties include a boiling point of 158.9ºC at 760 mmHg, a density of 1.488 g/cm3 and a flash point of 59.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 173777-89-4
- Jingsj CID
- J-1501380-8
- Molecular Formula
- C4H2Cl2S
- Chinese Name
- 2,5-二氯噻吩
- Molecular Weight
- 153.03000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 158.9ºC at 760 mmHg |
|---|---|
| Density | 1.488 g/cm3 |
| Flash Point | 59.4ºC |
Frequently Asked Questions
What is the CAS number of 2,5-Dichlorothiophene?
The CAS number of 2,5-Dichlorothiophene is 173777-89-4.
What are the molecular formula and molecular weight of 2,5-Dichlorothiophene?
2,5-Dichlorothiophene has molecular formula C4H2Cl2S and molecular weight 153.03000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dichlorothiophene (CAS 173777-89-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501380-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.