This standard specifies the classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, safety and quality commitments of phenyltrichlorosilane. This standard applies to phenyltrichlorosilane prepared by Grignard method, condensation method and other processes. Molecular formula: C6H5SiCl3. Structural formula: . Relative molecular mass: 211.55 (according to the 2016 international relative atomic mass).