1,1,2,2-Tetrabromoethane
1,1,2,2-Tetrabromoethane (CAS 79-27-6; C₂H₂Br₄) is a dense, halogenated hydrocarbon with a molecular weight of 345.65 g/mol. This compound is primarily recognised for its use as a chemical intermediate. It serves as a key reagent in organic synthesis, notably for the preparation of other halogenated compounds through dehydrohalogenation reactions. Available from Tech Serve Solutions, it meets stringent quality standards for laboratory and industrial applications.
- IUPAC
- Acetylene tetrabromide,Muthmanns liquid,TBE
- Synonyms
- 2-TetrabromoethaneAcetylene tetrabromideMuthmanns liquidTBEBr2CHCHBr2
Chemical Synthesis
1,1,2,2-Tetrabromoethane is employed as a precursor in organic synthesis. It can be used to prepare tribromoethene via dehydrohalogenation reactions with bases such as sodium hydroxide in methanol.
Organic Building Block
As a polyhalogenated alkane, it functions as a versatile building block in the synthesis of complex organic molecules. Its structure allows for various substitution and elimination reactions.
Halogenated Hydrocarbon Intermediate
This compound falls within the category of halogenated hydrocarbons, often utilised in research for developing new materials or synthetic pathways involving bromine functionalities.
| Molecular weight | 345.65 |
|---|---|
| Linear formula | Br2CHCHBr2 |
| Assay | ≥98.0% (GC) |
| Boiling point | 119 °C/15 mmHg(lit.) |
| Density | 2.967 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.637(lit.)n20/D 1.637 |
| Vapour pressure | 0.1 mmHg (20 °C) |
| Melting point | −1-1 °C(lit.) |
| Vapour density | 11.9 (vs air) |
| Autoignition temp | 635 °F |
| Application | 1,1,2,2-Tetrabromoethane was used to prepare tribromoethene by dehydrohalogenation using sodium hydroxide in methanol1. |
Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H330Fatal if inhaled
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P273Avoid release to the environment
- P284Wear respiratory protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 2504 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 26-36-52/53 |
| Safety statements (S) | 24-27-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,1,2,2-Tetrabromoethane used for?
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1,1,2,2-Tetrabromoethane is primarily used as an intermediate in chemical synthesis. A notable application is its use in the preparation of tribromoethene by dehydrohalogenation with sodium hydroxide in methanol.
What is the CAS number and chemical formula for 1,1,2,2-Tetrabromoethane?
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The CAS number is 79-27-6 and the chemical formula is C₂H₂Br₄ (or Br₂CHCHBr₂).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,1,2,2-Tetrabromoethane with an assay of ≥98.0% (GC). This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
How should 1,1,2,2-Tetrabromoethane be handled safely?
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1,1,2,2-Tetrabromoethane is hazardous. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and is very toxic if inhaled (H330). It is also harmful to aquatic life with long-lasting effects (H412). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and a full-face respirator or type ABEK respirator filter, is essential. Handle in a well-ventilated area and avoid release to the environment. Refer to the Safety Data Sheet for comprehensive handling procedures.
Is 1,1,2,2-Tetrabromoethane a controlled substance?
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The provided data does not indicate that 1,1,2,2-Tetrabromoethane is a controlled substance under standard chemical regulations.
How is 1,1,2,2-Tetrabromoethane packed, shipped, and exported?
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Tech Serve Solutions exports chemicals globally. Detailed information on specific packing, shipping, and export procedures for 1,1,2,2-Tetrabromoethane can be provided upon request, adhering to all international regulations for hazardous materials transport.
How can I request a sample or quote for 1,1,2,2-Tetrabromoethane?
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To request a sample or a quotation for 1,1,2,2-Tetrabromoethane, please contact our sales team via the website or directly via email/phone, referencing CAS number 79-27-6.
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