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Tribromosilane, also known as silicon tribromide, is a colorless to pale yellow liquid with a strong, irritating odor. It is a derivative of silicon and bromine, with the chemical formula SiHBr3. Tribromosilane is a highly reactive compound, and its chemical properties include an enthalpy of vaporization of 34.8 kJ/mol and an entropy of vaporization of 87.9 kJ/(mol·K).

7789-57-3

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7789-57-3 Usage

Uses

Used in Chemical Synthesis:
Tribromosilane is used as a reagent in the chemical synthesis of various organic and inorganic compounds. Its reactivity allows it to be employed in the production of a wide range of materials, including pharmaceuticals, agrochemicals, and specialty chemicals.
Used in Semiconductor Industry:
In the semiconductor industry, tribromosilane is used as a precursor in the production of silicon-based materials. It is particularly useful in the synthesis of silicon-based thin films and coatings, which are essential components in the manufacturing of solar cells, microelectronics, and other electronic devices.
Used in Pharmaceutical Industry:
Tribromosilane is used as an intermediate in the synthesis of various pharmaceutical compounds. Its unique chemical properties enable the development of new drugs with improved efficacy and reduced side effects.
Used in Material Science:
In the field of material science, tribromosilane is used as a precursor for the development of advanced materials with specific properties, such as high thermal stability, chemical resistance, and electrical conductivity. These materials find applications in various industries, including aerospace, automotive, and construction.
Used in Analytical Chemistry:
Tribromosilane is also used as an analytical reagent in the determination of trace elements and the analysis of complex chemical mixtures. Its high reactivity and specificity make it a valuable tool in the field of analytical chemistry.

Check Digit Verification of cas no

The CAS Registry Mumber 7789-57-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,8 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7789-57:
(6*7)+(5*7)+(4*8)+(3*9)+(2*5)+(1*7)=153
153 % 10 = 3
So 7789-57-3 is a valid CAS Registry Number.
InChI:InChI=1/Br3Si/c1-4(2)3

7789-57-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name tribromosilicon

1.2 Other means of identification

Product number -
Other names Tribromosilyl

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7789-57-3 SDS

7789-57-3Relevant academic research and scientific papers

Selective and sequential reduction of polyhalosilanes with alkyltin hydrides

D'Errico, John J.,Sharp, Kenneth G.

, p. 2177 - 2180 (2008/10/08)

The reactions between alkyltin hydrides and a variety of polyhalo- and mixed halosilanes have been investigated. For SiCl4 and SiCl3H, the reductions proceed in a stepwise manner to yield the monoreduced species as the major products. The reduction of SiBr4 occurs much faster to yield a mixture of SiBr3H and SiH4, or, in the vapor phase, SiBr3H as the sole product. SiF3X (X = Br, Cl) is converted into SiF3H, with no further reduction of SiF3H observed upon addition of a second equivalent of alkyltin hydride. SiF2HX compounds (X = Br, Cl) are obtained from SiF2X2 and are converted into SiF2H2 with excess Me3SnH. Redistribution becomes competitive with reduction in reactions between Me3SnH and SiFBr3, leading to mixtures of SiH4, SiF2H2, and SiF3H. The major products in the reaction between SiCl2Br2 and Me3SnH are SiCl3H and SiH4 (no SiCl2H2 was observed). Several probable intermediates were independently synthesized and allowed to react with Me3SnH. Together with deuterium labeling experiments, these reactions shed light on the mechanisms involved in these systems. In particular, the reactions appear not to proceed via free radicals.

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