Thionyl bromide
Also known as: Thionyl dibromide, SOBr2, Sulfur oxy dibromide, Sulfuroxy dibromide, Thionl bromide, Thionylbromide, sulfur bromide oxide, sulfurous dibromide
Thionyl bromide (CAS 507-16-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Br2OS and a molecular weight of 207.872 g/mol. Key properties include a melting point of −52 °C(lit.), a boiling point of 146.9±0.0 °C at 760 mmHg, a density of 3.2±0.1 g/cm3 and a flash point of 156°C. It is classified under GHS with signal word Danger and hazard statements H312 — Harmful in contact with skin, H314 — Causes severe skin burns and eye damage and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 507-16-4
- Jingsj CID
- J-14064-7
- Molecular Formula
- Br2OS
- Molecular Weight
- 207.872 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −52 °C(lit.) |
|---|---|
| Boiling Point | 146.9±0.0 °C at 760 mmHg |
| Density | 3.2±0.1 g/cm3 |
| Flash Point | 156°C |
| Exact Mass | 205.803650 |
| PSA | 36.28000 |
| LogP | 1.01 |
| Vapor Pressure | 5.7±0.2 mmHg at 25°C |
| Refractive Index | 1.755 |
GHS Safety & Compliance
- H312 — Harmful in contact with skin
- H314 — Causes severe skin burns and eye damage
- H332 — Harmful if inhaled
Frequently Asked Questions
What is the CAS number of Thionyl bromide?
The CAS number of Thionyl bromide is 507-16-4.
What are the molecular formula and molecular weight of Thionyl bromide?
Thionyl bromide has molecular formula Br2OS and molecular weight 207.872 g/mol.
Is Thionyl bromide hazardous?
Thionyl bromide has GHS signal word Danger and hazard statements H312 — Harmful in contact with skin; H314 — Causes severe skin burns and eye damage; H332 — Harmful if inhaled.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Thionyl bromide (CAS 507-16-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14064-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.