Chemical Identity and Structural Features

2-Bromo-1-(3,3-dinitroazetidin-1-yl)ethan-1-one (Aladdin SKU B178252) is a bifunctional organic compound with the molecular formula C₅H₆BrN₃O₅. Its structure integrates two distinct reactive motifs: an α-bromoketone moiety, which serves as a potent electrophilic alkylating agent, and a 3,3-dinitroazetidine (DNAZ) ring, a four-membered nitrogen heterocycle bearing two geminal nitro groups at the 3-position.

The gem-dinitro arrangement on the azetidine ring imparts significant electron-withdrawing character and introduces latent energetic properties associated with polynitro compounds. The strained four-membered ring further contributes to the reactivity profile of the molecule. Together, these features make this compound a dense functional handle for downstream synthetic transformations, including nucleophilic substitution at the α-carbon and N-acylation chemistry.

The compound belongs to the broader class of gem-dinitroalkane derivatives, which are of sustained interest in energetic-material science due to their high nitrogen and oxygen content and favorable oxygen balance characteristics.

Laboratory Handling and Safety Precautions

Due to the presence of both geminal nitro groups and an α-bromoketone, this compound must be handled with heightened caution. The following precautions should be observed at all times:

• Personal Protective Equipment (PPE): Wear chemical-splash goggles, a laboratory coat, and appropriate chemical-resistant gloves (e.g., nitrile or neoprene). Consider a face shield when handling bulk quantities.
• Ventilation: All manipulations should be performed in a well-functioning fume hood to prevent inhalation of vapors or fine particulates.
• Electrostatic Hazard: gem-Dinitro compounds can be sensitive to electrostatic discharge, friction, or impact. Ground all equipment; avoid grinding or mechanical shock.
• Fire and Explosion Risk: Keep away from open flames, sparks, and other ignition sources. The energetic nitro groups may render the material sensitive to thermal decomposition at elevated temperatures.
• Skin and Eye Contact: The α-bromoketone moiety is a known lachrymatory and vesicant-type electrophile. Flush immediately with copious water if contact occurs and seek medical advice.
• Incompatibilities: Avoid contact with strong reducing agents, bases, and nucleophiles that could trigger uncontrolled alkylation or decomposition reactions.

Consult the Safety Data Sheet (SDS) provided by Aladdin Scientific before first use. Emergency procedures, first-aid measures, and disposal regulations should be reviewed and communicated to all laboratory personnel.

Storage and Stability Guidelines

Proper storage is essential to maintain the integrity and safety of 2-bromo-1-(3,3-dinitroazetidin-1-yl)ethan-1-one. The following guidelines are recommended:

• Temperature: Store in a cool environment, typically at or below room temperature (≤25 °C), unless the SDS specifies refrigerated conditions. Avoid prolonged exposure to elevated temperatures.
• Humidity and Moisture: Keep in a tightly sealed container under dry conditions. Moisture can promote hydrolysis of the α-bromoketone and compromise compound purity.
• Light Sensitivity: Store away from direct sunlight and ultraviolet radiation, as photolytic degradation of both the α-bromoketone and nitro functionalities is possible.
• Container Type: Use amber glass vials or appropriate inert containers. Avoid reactive plastics that may be incompatible with the compound.
• Segregation: Store separately from flammables, oxidizers, reducing agents, and reactive chemicals in compliance with local chemical storage regulations.
• Inventory Management: Label containers clearly with the compound name, CAS number, date received, and date opened. Conduct regular inventory checks and dispose of expired or degraded material according to institutional and regulatory guidelines.

Synthetic Applications and Research Uses

2-Bromo-1-(3,3-dinitroazetidin-1-yl)ethan-1-one serves as a versatile bifunctional building block in several research contexts:

Energetic Material Synthesis: The 3,3-dinitroazetidine (DNAZ) core is a well-established moiety in the design of insensitive high-energy-density materials (HEDMs). Acylation of the DNAZ nitrogen, as realized in this compound, is a common strategy to modulate sensitivity and performance characteristics. Researchers can exploit the reactive bromoacetyl group to introduce the DNAZ pharmacophore into more complex energetic frameworks via nucleophilic substitution.

Medicinal and Agrochemical Chemistry: α-Bromoketones are classical electrophilic warheads used to forge C–S, C–N, C–O, and C–C bonds with a variety of nucleophiles. Coupling this reactivity with the electron-poor DNAZ ring opens avenues for the synthesis of novel bioactive heterocyclic scaffolds. The dinitroazetidine ring itself has been explored as a bioisostere and pharmacophore in certain research programs.

Heterocyclic Chemistry: The strained four-membered ring and the gem-dinitro substitution create a unique electronic environment. Reactions including ring-opening, condensation, and cycloaddition can be investigated to generate novel ring systems.

General Alkylation Reactions: The α-bromoketone can react with thioethers, amines, azides, and other nucleophiles under mild conditions, enabling modular construction of compound libraries for structure–activity relationship (SAR) studies.

Researchers should optimize reaction conditions empirically, as the dual reactivity of this compound may require careful control of stoichiometry, temperature, solvent, and pH to achieve selective transformations.

Ordering, Specifications, and Quality

Aladdin Scientific supplies 2-bromo-1-(3,3-dinitroazetidin-1-yl)ethan-1-one under SKU B178252. When placing an order or evaluating the product, consider the following:

• Purity and Grade: Confirm the purity specification on the current product page or Certificate of Analysis (CoA). For sensitive synthetic applications, request the CoA to verify identity (NMR, MS) and purity (HPLC or GC).
• Available Pack Sizes: Contact Aladdin Scientific or consult the product listing for available quantities. Custom quantities may be available upon request for larger research programs.
• Lead Time and Shipping: As a specialty reagent, confirm stock availability and expected lead times before committing to experimental timelines. The compound must be shipped in compliance with regulations governing energetic and halogenated materials.
• Regulatory Compliance: Import and export of energetic nitro compounds may be subject to national and international controls. Ensure your institution holds the appropriate permits and that procurement follows all applicable regulations.
• Technical Support: Aladdin Scientific's technical team can assist with product questions, alternative reagent recommendations, and application guidance. Contact us through the website or by email for prompt assistance.