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5-Iodothiophene-2-carboxylic acid

Also known as: 5-Iodo-2-thiophenecarboxylic acid, 5-Iodo-thiophene-2-carboxylic acid, 2-Thiophenecarboxylic acid, 5-iodo-

5-Iodothiophene-2-carboxylic acid (CAS 60166-85-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3IO2S and a molecular weight of 254.046 g/mol. Key properties include a boiling point of 344.0±27.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 161.9±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
60166-85-0
Jingsj CID
J-898434-7
Molecular Formula
C5H3IO2S
Molecular Weight
254.046 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point344.0±27.0 °C at 760 mmHg
Density2.2±0.1 g/cm3
Flash Point161.9±23.7 °C
Exact Mass253.889832
PSA65.54000
LogP3.08
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.712
Storage Conditions2-8°C

Frequently Asked Questions

What is the CAS number of 5-Iodothiophene-2-carboxylic acid?

The CAS number of 5-Iodothiophene-2-carboxylic acid is 60166-85-0.

What are the molecular formula and molecular weight of 5-Iodothiophene-2-carboxylic acid?

5-Iodothiophene-2-carboxylic acid has molecular formula C5H3IO2S and molecular weight 254.046 g/mol.

What are the upstream and downstream products of 5-Iodothiophene-2-carboxylic acid?

For 5-Iodothiophene-2-carboxylic acid, Upstream Products: Methyl 5-iodothiophene-2-carboxylate, 2-Thiophenecarboxylic acid, Ethanol; Downstream Products: 4,5-Dibromothiophene-2-carboxylic acid, 2-iodo-5-nitrothiophene.

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

Last updated:

How to cite: Jingsj. "5-Iodothiophene-2-carboxylic acid (CAS 60166-85-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-898434-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.