GB 7916-1987
Active
T/ZZB 1387-2019
Active
Group standards
T/ZZB 1387-2019 4,5-Diamino-1-hydroxyethyl pyrazole sulfate
T/ZZB 1387-2019 4,5-Diamino-1-hydroxyethyl pyrazole sulfate
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 1387-2019
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Dye intermediates
ICS Name:
Cosmetics and beauty products
Publish Date:
2019-11-27
Implement Date:
2019-12-31
Scope
Main technical content: This standard specifies the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for 4,5-diamino-1-hydroxyethylpyrazole sulfate. This standard applies to 4,5-diamino-1-hydroxyethylpyrazole sulfate, which is prepared from ethoxycarbonylcyanate ethyl ester and hydroxyethyl hydrazine as raw materials through ring-closing reaction, ester hydrolysis, decarboxylation, nitrosation, reduction to salt, and refining processes. It is mainly used as a coloring agent for hair dyeing. Molecular formula: C5H12N4O5S Relative molecular mass: 240.24 (based on the 2016 International Relative Atomic Mass) Structural formula:
Development Information
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