Overview
Ethyl Bromide, also known as Bromoethane, is a halogenated hydrocarbon with the chemical formula C2H5Br. It is a colorless, volatile liquid with a sweet, chloroform-like odor. It is primarily used as an alkylating agent in organic synthesis and pharmaceutical manufacturing. Due to its high reactivity, Ethyl Bromide is widely employed in the production of ethyl derivatives and as a refrigerant in earlier applications. However, its use has declined due to environmental and health concerns, with safer alternatives being developed.
Physical and Chemical Properties
Ethyl Bromide is a dense, volatile liquid with a boiling point of 38.4°C and a melting point of -119°C. It has a density of 1.46 g/cm³ at 20°C and is slightly soluble in water but miscible with most organic solvents like ethanol and ether. The compound is highly flammable and reacts vigorously with strong oxidizing agents. Its vapor is heavier than air and can travel along the ground, posing a fire hazard. Ethyl Bromide is also sensitive to light and heat, which can cause decomposition.
Main Applications
Ethyl Bromide is primarily used as an alkylating agent in organic synthesis to introduce ethyl groups into molecules. It is a key intermediate in the production of pharmaceuticals, dyes, and other fine chemicals. Historically, it was used as a refrigerant and anesthetic, but these applications have been discontinued due to toxicity concerns. In the laboratory, it serves as a solvent and reagent for Grignard reactions and other synthetic processes.
Safety and Storage
Ethyl Bromide is toxic if inhaled or ingested and can cause severe skin and eye irritation. Prolonged exposure may lead to central nervous system depression, liver, and kidney damage. Proper personal protective equipment (PPE) such as gloves, goggles, and respirators should be used when handling this chemical. Storage requires a cool, dry, well-ventilated area away from heat sources and open flames. Containers should be tightly sealed and labeled to prevent accidental exposure. Spills should be contained and cleaned up immediately using appropriate absorbents.
B2B Procurement Guide
When procuring Ethyl Bromide, buyers should prioritize suppliers with verified certifications (e.g., ISO, GMP) and request a Safety Data Sheet (SDS) to ensure compliance with safety regulations. Bulk purchases typically offer cost advantages, but storage capacity and shelf-life considerations must be evaluated. Transportation should adhere to hazardous material regulations, with proper labeling and packaging to prevent leaks. Buyers should also inquire about alternative, less hazardous alkylating agents if environmental and safety concerns are a priority.
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