Overview
4-Dibromophenol is a halogenated derivative of phenol, featuring two bromine atoms attached to the benzene ring at the para position. It is primarily used as an intermediate in the synthesis of more complex chemical compounds. Its reactivity and structural properties make it valuable in pharmaceuticals, agrochemicals, and specialty chemicals. This compound is typically synthesized through the bromination of phenol under controlled conditions. Industrial production requires careful handling due to its potential health hazards, and it is often supplied in crystalline form with specified purity levels for laboratory and manufacturing use.
Physical and Chemical Properties
4-Dibromophenol appears as a white to pale yellow crystalline solid with a distinct phenolic odor. It has a molecular weight of 251.90 g/mol and melts at approximately 37-40°C, with a boiling point around 236°C. The compound is soluble in common organic solvents like ethanol, ether, and acetone but has limited solubility in water. Its chemical reactivity is typical of halogenated phenols, with the bromine atoms making it a useful intermediate for further substitution reactions. The compound is stable under normal storage conditions but may decompose upon exposure to strong oxidizing agents or prolonged UV light.
Main Applications
The primary use of 4-dibromophenol is as a building block in organic synthesis. It serves as an intermediate in the production of pharmaceuticals, particularly in the synthesis of antiseptics and disinfectants. In agrochemicals, it is used to formulate brominated pesticides and herbicides. Additionally, 4-dibromophenol finds applications in the manufacture of flame retardants due to its bromine content. It is also employed in dye synthesis, where its reactive sites allow for the creation of complex colorants. The compound's versatility makes it a staple in industrial chemistry, though its use is often subject to regulatory scrutiny due to environmental and health concerns.
Safety and Storage
4-Dibromophenol poses several health hazards, including skin and eye irritation, and harmful effects if swallowed or inhaled. Proper personal protective equipment (PPE), such as gloves, goggles, and respirators, is essential when handling this chemical. Work areas should be well-ventilated to minimize inhalation risks. Storage requires a cool, dry environment away from light and oxidizing agents. Containers should be tightly sealed and labeled with hazard information. Spills should be contained and cleaned up immediately using appropriate absorbent materials, and disposal must comply with local environmental regulations.
B2B Procurement Guide
When procuring 4-dibromophenol, buyers should verify the CAS number (615-58-7) to ensure product authenticity. Purity levels, typically ranging from 98% to 99%, should be confirmed through certificates of analysis (CoA). Reputable suppliers will provide material safety data sheets (MSDS) and compliance documentation. Price fluctuations can occur due to raw material availability and demand in the pharmaceutical and agrochemical sectors. Bulk purchases may offer cost advantages, but storage capacity and shelf-life considerations should be evaluated. Buyers are advised to source from suppliers with robust quality control systems and a track record of reliable delivery.
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