This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of m-(β-hydroxyethyl sulfone sulfate) aniline. This standard is applicable to product quality inspection of m-(β-hydroxyethyl sulfone sulfate) aniline. This product is mainly used in the production of reactive dyes. Molecular formula: CHNOS Relative molecular mass: 281.31 (according to the 2001 international relative atomic mass)