“Ethylbenzene (CAS 100-41-4) is a low molecular weight, highly flammable liquid with moderate volatility and an aromatic odor. It is used primarily as an intermediate for styrene production and is also a natural component of petroleum products and incomplete combustion of natural substances, and is present in tobacco smoke. Ethylbenzene has a low potential for bioaccumulation, predicted to volatilize to the atmosphere and is readily biodegradable. It has moderate ecotoxicity hazard. Ethylbenzene’s health hazards include transient CNS [central nervous system] depression at high levels, lung aspiration, irritation, and ototoxicity. This substance is non-genotoxic but produces tumors in animals that are of no or questionable human relevance.” – Encyclopedia of Toxicology, 2014
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