HG/T 30019-2014Technical specification for production safety of m-phenylenediamine (English PDF)

HG/T 30019-2014 is the English-translated version of 间苯二胺生产安全技术规范.

HG/T 30019-2014 is the Chinese chemical industry standard governing the safe production of m-phenylenediamine. The route it describes starts from mixed dinitrobenzene, which is hydrogenated catalytically in methanol to give a mixed diamine liquid; that liquid then goes through solvent removal, dehydration and distillation so that the m-isomer is separated. Like the companion specifications issued with it, it is filed under the Chinese classification G01 and the international classification 71.020, so it deals with the safety of the process and the workplace rather than with product quality. Among the cited documents are GB 7231, GB 12158, GB 50057, GB 50177, GB 50493 and AQ/T 9002. Issued on 24 December 2014, it has applied since 1 June 2015.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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