1-Bromo-2-Methylpropane: Characteristics, Structure, and Essential Information

What is 1-Bromo-2-Methylpropane?

1-Bromo-2-methylpropane stands out as a clear, colorless liquid used across both research spaces and chemical manufacturing. Most often, its fresh, almost ether-like scent signals its presence, but the core of its usefulness comes from a straightforward yet effective molecular structure. As the name suggests, it features a bromine atom tethered to a methyl-substituted propane chain, which underpins its reactivity and value in a medley of synthesis processes. The compound handles well under ambient conditions, flowing with a measurable density and boiling at a temperature right around 91°C, making it easy to work into both bench-scale reactions and pilot-scale batches.

Molecular Structure, Physical, and Chemical Properties

The chemical formula for 1-Bromo-2-methylpropane is C4H9Br. Visualizing the molecule, it displays a primary bromide group attached to a branched alkyl backbone. This sort of branched structure makes a difference in both its reactivity and its role as an intermediate. As a liquid at room temperature, its clear and low-viscosity nature provides safe handling when measured responsibly. Density checks in at about 1.216 g/cm³ at 20°C, offering substance but without the heaviness of many halogenated solvents. The molecular weight clocks in near 137.02 g/mol, which brings accuracy to calculations in solution mixing and synthesis runs. With a refractive index of around 1.436, it serves both as a diagnostic tool and a reminder of the underlying carbon-bromine bonds shaping its optical character.

Applications, Product Forms, and Material Handling

Labs and industrial chemists regularly turn to 1-Bromo-2-methylpropane as a specialist in alkylation and other substitution reactions. This compound becomes a mainstay for creating new carbon frameworks in both pharmaceutical and materials research. Its presence as a pure liquid reflects standard commerce, but discussion about flakes, solids, powders, pearls, or crystals misses the mark: this is a liquid, not a powdery or crystalline material at room temperature. In my own work with similar alkyl bromides, handling them in liter volumes revealed the importance of tight seals and glassware free from contamination, since vapors can rise quickly if left open—something dangerous and preventable with practical laboratory discipline.

Spec Sheets, Density, and Molecular Specifics

Each shipment and every drum of 1-Bromo-2-methylpropane comes labeled with clear identifiers, including the HS Code, which for organobromine compounds often lists as 2903.39. The certificate of analysis typically details its exact physical constants—density just over 1.2 g/cm³, purity frequently above 98%, occasional water content, and the absence of free bromide ion. Such data matter deeply, especially when a single percentage point can translate into a loss of yield or a batch failing a quality benchmark. On the molecular front, the straightforward formula, the density, and the lack of solid or powder forms make handling recommendations simple; glass or compatible plastic, sealed storage, and a cool, dry place lock in both safety and reliability.

Safety, Hazards, and Risk Management

Working with 1-Bromo-2-methylpropane, one learns to respect its chemical hazards. The compound brings mild to moderate irritant qualities, splashing or vapor means eye and skin exposure risks. Inhalation of vapors also causes immediate irritation. Anyone handling this liquid should wear gloves resistant to organic solvents, snug goggles, and a well-fitted lab coat—safety showers and eyewash stations in the workspace speak louder than any safety poster. Just as important, knowing that it’s both flammable and harmful if swallowed, inhaled, or contacted with skin sets the tone for responsible use. Airy, ventilated benches and regular checks for leaks or bottle failure help avoid headaches—both literal and figurative.

Chemical Sourcing, Raw Material Insights, and Sustainable Practice

Turning to supply chains, 1-Bromo-2-methylpropane often traces back to bromination of 2-methylpropane, making clear why trace impurities sometimes follow shipments. Quality assurance leans on controlled synthesis steps and robust purification methods. Speaking frankly, this compound frequently plays a part in larger chemical transformations, acting as a raw material or an intermediate for pharmaceuticals, agrochemicals, or specialty polymers. Using it wisely involves not just safe storage and proper labeling, but also a sharp eye on regulatory compliance and safe waste management. These real-world steps bridge the gap between the lab bench and a supply department spreadsheet. Sustainable practice calls for regular audits—reuse or recovery of spent solvents, paired with responsible refuse disposal, keeps reputations intact and regulators satisfied.

Looking at the Bigger Picture

1-Bromo-2-methylpropane stands as a testament to the importance of precise chemical control and responsible stewardship. Its simplicity on paper masks the impact it makes out in the field, where accuracy in handling, storage, safety, and documentation builds trust between lab technicians, chemical suppliers, and end users. My own years training researchers and guiding new hires has taught me that no information, no matter how familiar, warrants shortcutting—especially when safety and process integrity hang in the balance. Document every shipment; check every seal; review every specification sheet. Industry and academia alike depend on these standards as much as they depend on the chemistry itself.