This is a market dataset, representing the consumption market of the region. The dataset includes transport from the gate to the point of consumption, and transport services are calculated based on the transport situation of the product in the region. P-xylene can be used in the production of polyester fibers and resins, coatings, dyes, and pesticides; the dataset contains primary raw materials, energy, and atmospheric emissions in the production process, infrastructure such as production equipment and construction of buildings is not included in the dataset boundaries; the data inventory is from literature; the process flow of producing P-xylene by molten salt hydrate hydrolysis technology includes raw material pretreatment, melt hydrolysis, liquid membrane crystallization, purification, and other processes.