Bromonitromethane
Bromonitromethane (CAS 563-70-2), with the linear formula BrCH₂NO₂, is an organic compound with a molecular weight of 139.94 g/mol. This nitro compound serves as a valuable building block in chemical synthesis, particularly for the creation of Umpolung amide functionalities and the preparation of bromonitroalkene derivatives. Its applications span advanced organic synthesis and the development of novel chemical entities.

Protected α-bromo nitroalkane Donors
Bromonitromethane is utilised in the production of various protected α-bromo nitroalkane donors, including Fmoc derivatives. These compounds are essential for employing Umpolung strategies in amide synthesis, allowing for novel bond formations.
Preparation of (Z)-1-bromo-1-nitroalkenes
This reagent is employed in the preparation of (Z)-1-bromo-1-nitroalkenes. The synthesis is facilitated by a sodium iodide-catalysed Henry reaction, providing a specific route to these unsaturated nitro compounds.
Cyclopropanation Reactions
In diastereo- and enantioselective cyclopropanation of β,γ-unsaturated α-ketoesters, bromonitromethane plays a role. It is used within a domino Michael-addition/intramolecular-alkylation strategy for complex molecule construction.
| Molecular weight | 139.94 |
|---|---|
| Linear formula | BrCH2NO2 |
| Assay | 90% |
| Boiling point | 146-148 °C/750 mmHg(lit.) |
| Density | 2.007 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.496(lit.) |
| Application | Bromonitromethane has been used:• in production of various protected α-bromo nitroalkane donors (including Fmoc) for use in Umpolung amide synthesis1• in preparation of (Z)-1-bromo-1-nitroalkenes via sodium iodide-catalyzed Henry reaction2• in diastereo- and enantioselective cyclopropanation of β,γ-unsaturated a-ketoesters via domino Michael-addition/intramolecular-alkylation strategy3 |


Hazard statements
- H272May intensify fire; oxidiser
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P220Keep away from clothing and combustible materials
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3139 5.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | O,Xi |
| Risk statements (R) | 8-36/37/38 |
| Safety statements (S) | 17-26-36 |
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 Bromonitromethane used for?
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Bromonitromethane is used as a building block in chemical synthesis, including the production of protected α-bromo nitroalkane donors for Umpolung amide synthesis, the preparation of (Z)-1-bromo-1-nitroalkenes, and in diastereo- and enantioselective cyclopropanation reactions.
What are the CAS number and formula for Bromonitromethane?
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The CAS number for Bromonitromethane is 563-70-2, and its linear formula is BrCH₂NO₂.
What grade and purity does Tech Serve Solutions supply for Bromonitromethane?
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Tech Serve Solutions supplies Bromonitromethane with an assay of 90%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Bromonitromethane be handled safely?
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Bromonitromethane is classified under GHS03 and GHS07 with the signal word 'Danger'. It carries hazard statements H272 (May intensify fire; oxidiser), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (e.g., N100 or P3 filters), is essential. Handle in a well-ventilated area and keep away from ignition sources.
Is Bromonitromethane a controlled substance?
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The provided data does not indicate that Bromonitromethane is a controlled substance.
How is Bromonitromethane packaged and exported?
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Bromonitromethane is shipped under UN 3139, hazard class 5.1 (oxidiser), Packing Group II. TSS ensures compliant packaging and export procedures for this material.
How can I request a sample or quote for Bromonitromethane?
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To request a sample or a quotation for Bromonitromethane, please contact the Tech Serve Solutions sales team via our website or direct contact details.
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