This standard specifies the product classification, requirements, test methods, inspection rules as well as marking, packaging, transportation, storage and safety of formic acid for industrial use.
It is applicable to the formic acid for industrial use produced by methyl formate method and sodium formate method.
Molecular formula: CH2O2
Structural formula:
Relative molecular mass: 46.03 (in accordance with international relative atomic mass in 2007)
2 Normative references
The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendment) applies.
GB 190 Labels for packages of dangerous goods
GB/T 601 Chemical reagent - Preparations of standard volumetric solutions
GB/T 602 Chemical reagent - Preparations of standard solutions for impurity
GB/T 603 Chemical reagent - Preparations of reagent solutions for use in test methods
GB/T 3049 Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method
GB/ T 3143 Color determination method of liquid chemicals (Hazen unit - Platinum-cobalt scale)
GB/T 3723 Sampling of chemical products for industrial use - Safety in sampling
GB/T 6324.2 Test method of organic chemical products - Part 2:Determination of dry residue after evaporation on a water bath for volatile organic liquids
GB/T 6678 General principles for sampling chemical products
GB/T 6680 General rules for sampling liquid chemical products
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
3 Product classification
The formic acid for industrial use can be divided into three specifications according to formic acid content: 94%, 90% and 85%.
