2-Thiopheneacetic acid

2-噻吩乙酸

Also known as: 2-Thienylacetic acid, Thiophene-2-acetic acid, 2-(Thiophen-2-yl)acetic acid, 2-Thenylacetic acid, 2-(2-Thienyl)acetic acid

CAS No.
1918-77-0
Jingsj CID
J-44000-8
Molecular Formula
C6H6O2S
Chinese Name
2-噻吩乙酸
Molecular Weight
142.18 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point63-64 °C(lit.)
Boiling Point269.2±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point116.6±20.4 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Thiopheneacetic acid?

1918-77-0

What are the molecular formula and molecular weight of 2-Thiopheneacetic acid?

C6H6O2S, molecular weight 142.18 g/mol

Is 2-Thiopheneacetic acid hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026