Product Description
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Merck Chemicals (Shanghai) Co., Ltd. is the subsidiary of the globally operating group Merck KGaA, Darmstadt (Germany) and provides Chinese market with high quality life science and chemical products and services
The contact persons for the specific product groups of the Chemicals businesses are listed on the website of Merck Group in China.
AI Product Description
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Benzene, chemically represented as C₆H₆, is a fundamental aromatic hydrocarbon and a cornerstone of the modern chemical industry. It serves primarily as a critical precursor in the synthesis of numerous essential industrial products. Its most significant application lies in the production of ethylbenzene, which is subsequently dehydrogenated to create styrene for polystyrene plastics and synthetic rubbers. Additionally, benzene is vital for manufacturing cumene, the intermediate for phenol and acetone used in resins, adhesives, and explosives. Other major derivatives include cyclohexane, utilized in nylon production, and nitrobenzene, a key component in aniline dyes and pharmaceuticals. Beyond petrochemical processing, it has historically been used as a solvent in laboratories and industries, though this usage has drastically declined due to severe health risks.
Handling benzene requires extreme caution due to its classification as a known human carcinogen. Chronic exposure, even at low levels, is strongly linked to leukemia and other blood disorders, necessitating strict adherence to safety protocols. Inhalation of vapors can cause immediate central nervous system depression, leading to dizziness, headaches, and unconsciousness. Consequently, all operations involving benzene must be conducted in well-ventilated areas or within closed systems equipped with efficient fume extraction. Personal protective equipment (PPE), including respirators, chemical-resistant gloves, and goggles, is mandatory. Skin contact should be avoided entirely as benzene is readily absorbed through the dermis. Fire hazards are also significant; benzene is highly flammable and forms explosive mixtures with air. Storage must occur in tightly sealed containers away from ignition sources, oxidizers, and heat. Regulatory bodies worldwide enforce rigorous exposure limits, making comprehensive risk assessment and emergency response planning indispensable for any facility utilizing this substance. Despite its industrial utility, the inherent toxicity demands that its use be minimized and strictly controlled to ensure worker safety and environmental protection.