HG/T 4479-2012 (English Version) PDF

Scope: This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of methyl acetoacetate for industrial use. This standard applies to industrial methyl acetoacetate prepared from the direct synthesis of diketene and methanol. This standard does not purport to address all safety issues related to its use. Users are responsible for taking appropriate safety and health measures and complying with relevant national regulations.

HG/T 4479-2012 Referenced Document

GB/T 3723 Sampling of chemical products for industrial use--Safety in sampling
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6283 Chemical products.Determination of water Karl.fischer method(general method)
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 judgement of limiting values
GB/T 9722 General Principles of Chemical Reagent Gas Chromatography*， 2023-08-06 Update