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4-Methylthiophene-2-carbaldehyde

Also known as: 4-Methyl-2-thiophenecarbaldehyde, 4-Methylthiophene-2-carboxaldehyde, 2-Formyl-4-methylthiophene, 4-methyl-2-thiophenecarboxaldehyde, 2-Thiophenecarboxaldehyde, 4-methyl-, 5-formyl-3-methylthiophene

4-Methylthiophene-2-carbaldehyde (CAS 6030-36-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6OS and a molecular weight of 126.176 g/mol. Key properties include a boiling point of 214.7±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 84.8±9.1 °C. 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.
6030-36-0
Jingsj CID
J-890610-3
Molecular Formula
C6H6OS
Molecular Weight
126.176 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point214.7±20.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point84.8±9.1 °C
Exact Mass126.013931
PSA45.31000
LogP1.48
Vapor Pressure0.2±0.4 mmHg at 25°C
Refractive Index1.593

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 4-Methylthiophene-2-carbaldehyde?

The CAS number of 4-Methylthiophene-2-carbaldehyde is 6030-36-0.

What are the molecular formula and molecular weight of 4-Methylthiophene-2-carbaldehyde?

4-Methylthiophene-2-carbaldehyde has molecular formula C6H6OS and molecular weight 126.176 g/mol.

Is 4-Methylthiophene-2-carbaldehyde hazardous?

4-Methylthiophene-2-carbaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 4-Methylthiophene-2-carbaldehyde?

For 4-Methylthiophene-2-carbaldehyde, Upstream Products: 3-Methylthiophene, N,N-Dimethylformamide, 1-Formylpiperidine; Downstream Products: (4-methylthiophen-2-yl)methanol, 4-Methylthiophene-2-carbonitrile, 2,4-Dimethylthiophene.

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

Last updated:

How to cite: Jingsj. "4-Methylthiophene-2-carbaldehyde (CAS 6030-36-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-890610-3 (accessed 2026-11-09).

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