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5-Chloro-2-thiophenecarbaldehyde

Also known as: 2-Chloro-5-thiophenecarboxaldehyde, 5-Chlorothiophene-2-carbaldehyde, 2-Chloro-5-formylthiophene, 2-Chlorothiophene-5-carboxaldehyde, 5-Chloro-2-formylthiophene, 5-Chloro-2-thiophenecarboxaldehyde

5-Chloro-2-thiophenecarbaldehyde (CAS 7283-96-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3ClOS and a molecular weight of 146.59 g/mol. Key properties include a boiling point of 221.1±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 87.5±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7283-96-7
Jingsj CID
J-33272-9
Molecular Formula
C5H3ClOS
Molecular Weight
146.59 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point221.1±20.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point87.5±21.8 °C
Exact Mass145.959305
PSA45.31000
LogP1.68
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.626

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

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 5-Chloro-2-thiophenecarbaldehyde?

The CAS number of 5-Chloro-2-thiophenecarbaldehyde is 7283-96-7.

What are the molecular formula and molecular weight of 5-Chloro-2-thiophenecarbaldehyde?

5-Chloro-2-thiophenecarbaldehyde has molecular formula C5H3ClOS and molecular weight 146.59 g/mol.

Is 5-Chloro-2-thiophenecarbaldehyde hazardous?

5-Chloro-2-thiophenecarbaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of 5-Chloro-2-thiophenecarbaldehyde?

For 5-Chloro-2-thiophenecarbaldehyde, Upstream Products: 2-Chlorothiophene, N,N-Dimethylformamide, N-Methylformanilide; Downstream Products: 5-Chloro-2-thiophenecarbonitrile, 5-chlorothiophene-2-carboxamide, 5-(2-Furyl)thiophene-2-carbaldehyde.

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-Chloro-2-thiophenecarbaldehyde (CAS 7283-96-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33272-9 (accessed 2026-11-09).

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