![Molecular structure of 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde (CAS 852054-42-3)](/images/chem_structures_svg/315/852054-42-3.svg)
7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde
Also known as: 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxaldehyde, 5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-7-carbaldehyde, 7-Bromo-2,3-dihydro-thieno[3,4-b][1,4]dioxine-5-carbaldehyde, 5-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-7-carbaldehyde
7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde (CAS 852054-42-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5BrO3S and a molecular weight of 249.082 g/mol. Key properties include a melting point of 141-142ºC, a boiling point of 351.5±42.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 166.4±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 852054-42-3
- Jingsj CID
- J-1524116-4
- Molecular Formula
- C7H5BrO3S
- Molecular Weight
- 249.082 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 141-142ºC |
|---|---|
| Boiling Point | 351.5±42.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 166.4±27.9 °C |
| Exact Mass | 247.914276 |
| PSA | 63.77000 |
| LogP | 1.81 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.656 |
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 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde?
The CAS number of 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde is 852054-42-3.
What are the molecular formula and molecular weight of 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde?
7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde has molecular formula C7H5BrO3S and molecular weight 249.082 g/mol.
What are the upstream and downstream products of 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde?
For 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde, Upstream Products: 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde, 3,4-Ethylenedioxythiophene, N,N-Dimethylformamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde (CAS 852054-42-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524116-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.