Silicon tetrabromide
Also known as: EINECS 232-182-4, MFCD00049530, SILICON BROMIDE, SILICON TETRABROMIDE, SILICON(IV) BROMIDE, SiBr4, Silane, tetrabromo-, Silane,tetrabromo-, Silicon(IV) bromide, Silicon(IV) bromide(tetrabromosilane), tetrabromo-silan, tetrabromosilane
Silicon tetrabromide (CAS 7789-66-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Br4Si and a molecular weight of 347.70200 g/mol. Key properties include a melting point of 5 °C(lit.), a boiling point of 153 °C(lit.), a density of 2.8 g/mL at 25 °C(lit.) and a flash point of 154°C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7789-66-4
- Jingsj CID
- J-42808-2
- Molecular Formula
- Br4Si
- Molecular Weight
- 347.70200 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 5 °C(lit.) |
|---|---|
| Boiling Point | 153 °C(lit.) |
| Density | 2.8 g/mL at 25 °C(lit.) |
| Flash Point | 154°C |
| Exact Mass | 343.65000 |
| LogP | 3.00160 |
| Additional Property | 2.8 (vs air) |
| Refractive Index | 1.5627 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Frequently Asked Questions
What is the CAS number of Silicon tetrabromide?
The CAS number of Silicon tetrabromide is 7789-66-4.
What are the molecular formula and molecular weight of Silicon tetrabromide?
Silicon tetrabromide has molecular formula Br4Si and molecular weight 347.70200 g/mol.
Is Silicon tetrabromide hazardous?
Silicon tetrabromide has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Silicon tetrabromide?
For Silicon tetrabromide, Upstream Products: Hydrogen bromide, Silicon, silica gel; Downstream Products: Bromotrimethylsilane, Dimethyltin dibromide, Trimethyltin bromide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Silicon tetrabromide (CAS 7789-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42808-2 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.