HG/T 6357-2025 照相化学品 成色剂 2-[2，4-双（1，1-二甲基丙基）苯氧基]-N-（3，5-二氯-4-乙基-2-羟基苯基）丁酰胺

HG/T 6357-2025 Refractive index range for solids: 1.575 to 1.585 HG/T 6357-2025 refers to a photographic chemical colorant 2-[2,4-bis(1,1-dimethylpropyl)phenoxy]-N-(3,5-dichloro-4-ethyl-2-hydroxyphenyl)butanamide. Pls note that it is not clear whether the reference material is a solid or a liquid, and the refractive index range for solids mentioned above may be different for liquids. If you need further information, please provide more details about the reference material