This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of the vulcanizing agent MOCA (3,3-dichloro-4,4-diaminodiacrylate). This standard applies to vulcanizing agent MOCA made from the condensation of o-oxyaniline and formaldehyde. Molecular formula: CsHizNaClz Structural formula: cl CI IT CT Relative molecular mass: 267. 16 (according to the 1999 international relative atomic mass)