Overview
Benzene, 1,2,4,5-tetrakis(bromomethyl)- (CAS 329249-53-8) is a brominated aromatic compound primarily used as a flame retardant and intermediate in organic synthesis. Its high bromine content makes it effective in reducing flammability in polymers and other materials. The compound is typically supplied as a white to off-white crystalline powder and is soluble in common organic solvents. This chemical is valued in industries requiring flame-retardant additives, such as electronics, construction, and automotive manufacturing. Its role as a synthetic intermediate also makes it important in pharmaceutical and agrochemical research. Due to its reactivity, proper handling and storage are essential to ensure safety and stability.
Physical and Chemical Properties
Benzene, 1,2,4,5-tetrakis(bromomethyl)- has a molecular weight of 487.79 g/mol and appears as a white to off-white crystalline powder. It melts at approximately 180-185°C, though its boiling point is not well-documented. The compound is soluble in organic solvents like dichloromethane and chloroform but is insoluble in water, limiting its use in aqueous applications. Key chemical properties include its high bromine content, which contributes to its flame-retardant capabilities. The bromomethyl groups make it reactive in nucleophilic substitution reactions, enabling its use as a building block in organic synthesis. Stability under normal storage conditions is good, but exposure to moisture or light should be avoided to prevent degradation.
Main Applications
The primary application of Benzene, 1,2,4,5-tetrakis(bromomethyl)- is as a flame retardant in polymers and materials where reduced flammability is critical. It is often incorporated into plastics, resins, and coatings used in electronics, automotive components, and construction materials. The compound's high bromine content effectively suppresses combustion, making it valuable in safety-critical applications. Additionally, it serves as an intermediate in organic synthesis, particularly in the preparation of more complex brominated compounds used in pharmaceuticals and agrochemicals. Its reactivity allows for the introduction of functional groups, enabling the creation of specialized chemicals for research and industrial processes.
Safety and Storage
Benzene, 1,2,4,5-tetrakis(bromomethyl)- requires careful handling due to its potential health hazards. It is harmful if swallowed and can cause skin and eye irritation. Appropriate personal protective equipment (PPE), including gloves and goggles, should be used when handling this compound. Work should be conducted in a fume hood to minimize inhalation exposure. Storage conditions are critical to maintaining the compound's stability. It should be kept in a cool, dry place, away from light and moisture. Containers must be tightly sealed to prevent contamination and degradation. Incompatible materials include strong oxidizers, which could lead to hazardous reactions.
B2B Procurement Guide
When procuring Benzene, 1,2,4,5-tetrakis(bromomethyl)-, B2B buyers should prioritize supplier reliability and product consistency. Verify the CAS number (329249-53-8) and request certificates of analysis to confirm purity and composition. Batch-to-batch consistency is crucial for applications requiring precise chemical properties. Pricing varies depending on purity and quantity, with reference prices ranging approximately $50-$100 per gram. Buyers should consider long-term supply agreements to secure stable pricing and availability. Logistics should account for the compound's sensitivity to moisture and light, ensuring proper packaging and transportation conditions.
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