2-Acetyl-5-iodothiophene
Also known as: 1-(5-Iodothiophen-2-yl)ethanone, 5-Iodo-2-acetylthiophene, MFCD02093967, NSC 80387
2-Acetyl-5-iodothiophene (CAS 30955-94-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5IOS and a molecular weight of 252.073 g/mol. Key properties include a melting point of 130-134 °C(lit.), a boiling point of 306.2±27.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 139.0±23.7 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 30955-94-3
- Jingsj CID
- J-15925-1
- Molecular Formula
- C6H5IOS
- Molecular Weight
- 252.073 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 130-134 °C(lit.) |
|---|---|
| Boiling Point | 306.2±27.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 139.0±23.7 °C |
| Exact Mass | 251.910568 |
| PSA | 45.31000 |
| LogP | 2.79 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.637 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. 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 2-Acetyl-5-iodothiophene?
The CAS number of 2-Acetyl-5-iodothiophene is 30955-94-3.
What are the molecular formula and molecular weight of 2-Acetyl-5-iodothiophene?
2-Acetyl-5-iodothiophene has molecular formula C6H5IOS and molecular weight 252.073 g/mol.
Is 2-Acetyl-5-iodothiophene hazardous?
2-Acetyl-5-iodothiophene has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H334 — May cause allergy or asthma symptoms if inhaled.
What are the upstream and downstream products of 2-Acetyl-5-iodothiophene?
For 2-Acetyl-5-iodothiophene, Upstream Products: 2-Acetylthiophene, 2-Acetyl-5-chlorothiophene, Acetyl chloride; Downstream Products: 1-(2,2'-Bithiophen-5-yl)ethanone, 5,5'-diacetyl-2,2'-bithiophene, 4,4'-Difluorobiphenyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Acetyl-5-iodothiophene (CAS 30955-94-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15925-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.