4,5-dimethylthiophene-2-carbaldehyde
Also known as: 4,5-dimethylthiophene-2-carboxaldehyde, 2,3-Dimethyl-5-formylthiophene, 2-Thiophenecarboxaldehyde,4,5-dimethyl-, 4,5-DIMETHYLTHIOPHENE-2-CARBOXALDEHYDE, 4,5-Dimethylthiophene-2-carboxaldehyde,97%
4,5-dimethylthiophene-2-carbaldehyde (CAS 5928-48-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8OS and a molecular weight of 140.20300 g/mol. Key properties include a boiling point of 80ºC, a density of 1.179 and a flash point of 82-85ºC. 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.
- 5928-48-3
- Jingsj CID
- J-11740-8
- Molecular Formula
- C7H8OS
- Molecular Weight
- 140.20300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 80ºC |
|---|---|
| Density | 1.179 |
| Flash Point | 82-85ºC |
| Exact Mass | 140.03000 |
| PSA | 45.31000 |
| LogP | 2.17740 |
| Refractive Index | 1.579 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 4,5-dimethylthiophene-2-carbaldehyde?
The CAS number of 4,5-dimethylthiophene-2-carbaldehyde is 5928-48-3.
What are the molecular formula and molecular weight of 4,5-dimethylthiophene-2-carbaldehyde?
4,5-dimethylthiophene-2-carbaldehyde has molecular formula C7H8OS and molecular weight 140.20300 g/mol.
Is 4,5-dimethylthiophene-2-carbaldehyde hazardous?
4,5-dimethylthiophene-2-carbaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 4,5-dimethylthiophene-2-carbaldehyde?
For 4,5-dimethylthiophene-2-carbaldehyde, Upstream Products: 3-Methylthiophene-2-carboxaldehyde, 2,3-Dimethylthiophene, N-Methylformanilide; Downstream Products: 4,5-Dimethylthiophene-2-carboxylic acid, 2,3,5-Trimethylthiophene, 2,4,5-trimethylthiophene-3-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. "4,5-dimethylthiophene-2-carbaldehyde (CAS 5928-48-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11740-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.