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3-Thiophenecarboxaldehyde

Also known as: 3-formylthiophene, 3-Thiophenaldehyde, 3-Thiophenealdehyde, 3-Thiophenecarbaldehyde, Thiophene-3-carboxaldehyde, Thiophene-3-carbaldehyde, 3-Thiophene Carboxaldehyde

3-Thiophenecarboxaldehyde (CAS 498-62-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4OS and a molecular weight of 112.150 g/mol. Key properties include a melting point of -30 °C, a boiling point of 194-196 ºC, a density of 1.28 and a flash point of 64 ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
498-62-4
Jingsj CID
J-29520-5
Molecular Formula
C5H4OS
Molecular Weight
112.150 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-30 °C
Boiling Point194-196 ºC
Density1.28
Flash Point64 ºC
Exact Mass111.998283
PSA45.31000
LogP1.01
Vapor Pressure0.5±0.3 mmHg at 25°C
Refractive Index1.610

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Thiophenecarboxaldehyde?

The CAS number of 3-Thiophenecarboxaldehyde is 498-62-4.

What are the molecular formula and molecular weight of 3-Thiophenecarboxaldehyde?

3-Thiophenecarboxaldehyde has molecular formula C5H4OS and molecular weight 112.150 g/mol.

Is 3-Thiophenecarboxaldehyde hazardous?

3-Thiophenecarboxaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 3-Thiophenecarboxaldehyde?

For 3-Thiophenecarboxaldehyde, Upstream Products: 3-Thiophenemethanol, 3-Bromothiophene, N,N-Dimethylformamide; Downstream Products: (E)-3-(2-nitrovinyl)thiophene, Benzo[1,2-b:4,5-b']dithiophene-4,8-dione, 3-(Diethoxymethyl)thiophene.

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

Last updated:

How to cite: Jingsj. "3-Thiophenecarboxaldehyde (CAS 498-62-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29520-5 (accessed 2026-11-09).

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