Chinese name of p-xylene (para-xylene), which belongs to the low toxic chemicals, flammable, toxic, irritating. PX eye and upper respiratory tract have a stimulating effect, high concentration, anesthetic effect on the central nervous system, inhalation of high concentration of xylene or even acute poisoning, long-term exposure can cause cancer. After Xiamen and Ningbo have since plans to introduce PX project and demonstrations.
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