This standard specifies the technical requirements, test methods, inspection rules, signs, labels and packaging of benzotriazole products. This standard applies to benzotriazole prepared from o-phenylenediamine and sodium nitrite as raw materials. This product is mainly used as a corrosion inhibitor for non-ferrous metals and also has corrosion inhibition effect on ferrous metals. In addition, it can also be used as an intermediate in organic synthesis, photographic chemicals and catalysts, as well as a reagent for the determination of silver, copper and zinc ions. Molecular formula: CHN Structural formula: Relative molecular mass: 119.13 (according to the 2001 international relative atomic mass)
HG/T 3824-2006 Referenced Document
GB/T 1250 Rules for expression and judgement of limiting values
GB/T 191 Packaging.Pictorial marking for handling of goods*, 2008-04-01 Update
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*, 2023-08-06 Update
GB/T 617 Chemical reagent General method for the determination of melting range*, 2006-11-03 Update
GB/T 6678 General principles for sampling chemical products