Bromomethane
Bromomethane (CAS 74-83-9), a volatile organobromine compound with the formula CH3Br and a molecular weight of 94.94 g/mol, is a colourless gas at room temperature. Historically used as a fumigant, its applications are now restricted due to its ozone-depleting properties. It serves as a crucial reagent in organic synthesis and as a building block in the chemical industry. Tech Serve Solutions supplies Bromomethane for research and industrial applications.
- IUPAC
- Methyl bromide
- Synonyms
- Methyl bromideMonobromomethane
Reagent in Organic Synthesis
Bromomethane is employed as a methylating agent in various organic reactions. Its reactivity allows for the introduction of a methyl group onto diverse substrates, facilitating the synthesis of more complex molecules.
Chemical Building Block
As an alkyl halide, CH3Br functions as a fundamental building block in the synthesis of other organobromine compounds and organometallic reagents. It is valuable in constructing carbon frameworks for advanced chemical products.
Research and Development
Used in laboratory settings for academic and industrial research, Bromomethane aids in exploring new chemical pathways and developing novel compounds. Its specific properties make it a subject of study in various chemical disciplines.
| Molecular weight | 94.94 |
|---|---|
| Empirical formula | CH3Br |
| Assay | ≥99% |
| Boiling point | 4 °C(lit.) |
| Density | 3.3 g/mL at 25 °C(lit.) |
| Solubility | water: soluble |
| Concentration | 2.0 M in diethyl ether |
| Melting point | −94 °C(lit.) |
| Vapour pressure | 1420 mmHg (20 °C) |
| Vapour density | 3.3 (20 °C, vs air) |
| Autoignition temp | 996 °F |
| Storage temperature | 2-8°C |
| Impurities tested | <0.005% water |
| Application | Please view www.aldrich.com/epaods regarding the EPA′s request for application information of Ozone Depleting Substances |
Hazard statements
- H280Contains gas under pressure; may explode if heated
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H341Suspected of causing genetic defects
- H373May cause damage to organs through prolonged exposure
- H400Very toxic to aquatic life
- H420
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P281Use personal protective equipment as required
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Transport (UN / ADR) | UN 1062 2.3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-36/37/38-48/20-50-59-68 |
| Safety statements (S) | 15-27-36/39-38-45-59-61 |
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 Bromomethane primarily used for?
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Bromomethane (CAS 74-83-9) is used as a methylating agent in organic synthesis and as a chemical building block. Historically, it was used as a fumigant, but its applications are now significantly restricted due to environmental regulations concerning ozone depletion. Please see www.aldrich.com/epaods for EPA information.
What is the CAS number and chemical formula for Bromomethane?
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The CAS number for Bromomethane is 74-83-9, and its chemical formula is CH3Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bromomethane with an assay of ≥99% and less than 0.005% water. We do not represent this product as USP, BP, or EP grade.
How should Bromomethane be handled safely?
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Bromomethane is a highly toxic and hazardous substance. It is acutely toxic if inhaled or swallowed, causes skin irritation, and serious eye irritation. It is also suspected of causing genetic defects and may cause damage to organs through prolonged or repeated exposure. It is very toxic to aquatic life with long-lasting effects. Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a suitable respirator. Ensure adequate ventilation. Refer to the Safety Data Sheet (SDS) for comprehensive safety information.
Is Bromomethane a controlled substance?
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Bromomethane is listed as a dangerous substance with specific hazard classifications (GHS06, GHS08, GHS09) and is subject to regulations regarding its use and handling due to its toxicity and ozone-depleting potential. It is classified as UN 1062 2.3.
How is Bromomethane packed and exported?
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Bromomethane is supplied in concentrations such as 2.0 M in diethyl ether, or as a pure substance. It is carefully packaged according to international shipping regulations for hazardous materials and exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample of Bromomethane, please contact our sales team through the website or by phone. Provide the CAS number (74-83-9) and desired quantity for prompt service.
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