The specification specifies performance standards for refined benzene-545, including indicators such as percentage of benzene weight, sulfur, thiophene, toluene, non-aromatics, nitrogen content, picking Color, etc. It is designed to ensure high purity and mass of benzene-545, meeting the stringent requirements of industrial applications. The standard ensures its Reliability and Stability in production and use through precise testing, and conforms to the principles of international standards.