This standard specifies the requirements, safety information, sampling, test methods, inspection rules, and marking, labeling, packaging, transportation and storage of 3,4-dichloronitrobenzene. This standard applies to product quality control of 3,4-dichloronitrobenzene. Molecular formula: CHClNO Relative molecular mass: 192.00 (according to 2009 international relative atomic mass) CASRN: 99-54-7