2,5-Dibromo-3-methylthiophene
Also known as: Thiophene, 2,5-dibromo-3-methyl-, Einecs 236-147-4, MFCD00015470, RMA-163, 2,5-Dibrom-3-methyl-thiophen, 2,5-Dibromo-3-methylthiophen, 2,5-dibromo-3-methylthiophene
2,5-Dibromo-3-methylthiophene (CAS 13191-36-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4Br2S and a molecular weight of 255.958 g/mol. Key properties include a boiling point of 230.2±35.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 93.0±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13191-36-1
- Jingsj CID
- J-1492646-6
- Molecular Formula
- C5H4Br2S
- Molecular Weight
- 255.958 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 230.2±35.0 °C at 760 mmHg |
|---|---|
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 93.0±25.9 °C |
| Exact Mass | 253.840027 |
| PSA | 28.24000 |
| LogP | 4.01 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.621 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
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 2,5-Dibromo-3-methylthiophene?
The CAS number of 2,5-Dibromo-3-methylthiophene is 13191-36-1.
What are the molecular formula and molecular weight of 2,5-Dibromo-3-methylthiophene?
2,5-Dibromo-3-methylthiophene has molecular formula C5H4Br2S and molecular weight 255.958 g/mol.
Is 2,5-Dibromo-3-methylthiophene hazardous?
2,5-Dibromo-3-methylthiophene has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dibromo-3-methylthiophene (CAS 13191-36-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492646-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.