3,4,5-Trichlorothiophene-2-carboxylic acid
3,4,5-三氯噻吩-2-羧酸
Also known as: 2-Carboxy-3,4,5-trichlorothiophene, 2-Thiophenecarboxylic acid, 3,4,5-trichloro-, 3,4,5-Trichloro-2-thiophenecarboxylic acid, 3,4,5-Trichlorothiophene-2-carboxylic acid, MFCD00092429
3,4,5-Trichlorothiophene-2-carboxylic acid (CAS 26020-48-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5HCl3O2S and a molecular weight of 231.48400 g/mol. It is also known as 2-Carboxy-3,4,5-trichlorothiophene, 2-Thiophenecarboxylic acid, 3,4,5-trichloro- and 3,4,5-Trichloro-2-thiophenecarboxylic acid. Key properties include a melting point of 226-228ºC, a boiling point of 335.6ºC at 760 mmHg, a density of 1.818g/cm3 and a flash point of 156.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 26020-48-4
- Jingsj CID
- J-40829-3
- Molecular Formula
- C5HCl3O2S
- Chinese Name
- 3,4,5-三氯噻吩-2-羧酸
- Molecular Weight
- 231.48400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 226-228ºC |
|---|---|
| Boiling Point | 335.6ºC at 760 mmHg |
| Density | 1.818g/cm3 |
| Flash Point | 156.7ºC |
Frequently Asked Questions
What is the CAS number of 3,4,5-Trichlorothiophene-2-carboxylic acid?
The CAS number of 3,4,5-Trichlorothiophene-2-carboxylic acid is 26020-48-4.
What are the molecular formula and molecular weight of 3,4,5-Trichlorothiophene-2-carboxylic acid?
3,4,5-Trichlorothiophene-2-carboxylic acid has molecular formula C5HCl3O2S and molecular weight 231.48400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4,5-Trichlorothiophene-2-carboxylic acid (CAS 26020-48-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40829-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.