T/ZZB 1387-2019
4,5-Diamino-1-hydroxyethyl pyrazole sulfate (English Version)
- Standard No.
- T/ZZB 1387-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 1387-2019
- Scope
- This standard specifies the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitment of 4,5-diamino-1-hydroxyethylpyrazole sulfate. This standard applies to ethoxymethylidene cyanacetate and hydroxyethyl hydrazine as raw materials, which are made through cyclization reaction, ester hydrolysis, decarboxylation, nitrosation and reduction to salt and refining. 4, 5-Diamino-1-hydroxyethylpyrazole sulfate is mainly used as a colorant for hair dyeing. Molecular formula: C5H12N4O5S Relative molecular mass: 240.24 (according to the 2016 international relative atomic mass) Structural formula:
T/ZZB 1387-2019 history
- 2019 T/ZZB 1387-2019 4,5-Diamino-1-hydroxyethyl pyrazole sulfate
