Silicon(IV) bromide
Synonym: Tetrabromosilane, Silicon tetrabromide, Silicon bromide, SiBr4
CAS Number 7789-66-4 | MDL Number MFCD00049530 | EC Number 232-182-4
Silicon(IV) bromide due to it’s close similarity to Silicon Tetrachloride has several unique features, applicable in the production of ultrapure silicon for the manufacture of semiconductor devices. This product has an advantage over SiCl4 in the speed of silicon deposition. Pyrolysis of Silicon(IV) bromide followed by treatment with ammonia yields Silicon Nitride (Si3N4) coatings. This hard compound is used for ceramics, sealants, and the production of many cutting tools. It is also used in water treatment, chemical analysis and in ultra high purity for certain crystal growth applications. Synthesis of this product has been reported (see the links below).
Ereztech manufactures and sells of Silicon(IV) bromide in small and bulk volumes. Glass ampules and bottles or metal ampules and bubblers are available for packaging. For additional information or details about purchasing Silicon(IV) bromide contact us at sales@ereztech.com
Safety information
| UN | 3264 |
| Hazardous class | 8 |
| Packing group | II |
| Pictograms |  |
| Signal word | DANGER |
| Hazard statements | H314-H318 |
| Precautionary statements | P260-P264-P280-P301 + P330 + P331-P301 + P330 + P331-P303 + P361 + P353-P304 + P340-P305 + P351 + P338- P310-P403 + P233 + P235-P405-P501 |
| Transport description | CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S. (Silicon(IV) bromide) |
| In TSCA registry | Yes |
First Aid Measures
| General advice | Consult a physician. Show this safety data sheet to the doctor in attendance. Move out of dangerous area. |
| Eye contact | Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. |
| Skin contact | Wash off with soap and plenty of water. Consult a physician. |
| Inhalation | If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. |
| If swallowed | Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. |
Certificates of analysis (CoA)
If you don’t see the needed lot of Silicon(IV) bromide below please contact customer support at sales@ereztech.com
Lot# 005/613 Lot# 234RP2Si56419
External identifiers for Tetrabromosilane
| Pubchem CID | 82247 |
| SMILES | Br[Si](Br)(Br)Br |
| IUPAC Name | Silicon tetrabromide |
| InchI Identifier | InChI=1S/Br4Si/c1-5(2,3)4 |
| InchI Key | AIFMYMZGQVTROK-UHFFFAOYSA-N |
Known applications and external links
- Schumb, W. B. Silicobromoform” Inorganic Syntheses 1939, volume 1, pp 38-42
- Silicon Compounds, Inorganic. Simmler W.; Ullmann’s Encyclopedia of Industrial Chemistry; Wiley-VCH, 2002
With Silicon(IV) bromide other customers often ask:
Ereztech synthesizes and sells additional Si-compounds.
To purchase Silicon(IV) bromide contact us at sales@ereztech.com
