C.I. Reactive Brown 49

This document specifies quality control requirements for C.I. Reactive Brown 49 products and applies to the production, testing, and quality management of this dye product. Relevant manufacturers and testing institutions shall conduct product quality control in accordance with the standard to ensure compliance with the prescribed technical and testing requirements. This is a newly established chemical industry product standard applicable to quality evaluation and conformity determination for products related to C.I. Reactive Brown 49.