4,4′-Dichloromethylbiphenyl

This document specifies quality control requirements for 4,4′-dichloromethylbiphenyl products and applies to the production, testing, and quality evaluation of such products. Relevant manufacturers and testing institutions shall conduct product quality control in accordance with the standard to ensure compliance with the prescribed technical indicators and testing requirements. This is a chemical industry product standard approved and issued by the Ministry of Industry and Information Technology and applies nationwide to the quality management of 4,4′-dichloromethylbiphenyl products.