HG/T 4795-2014
1,1-Difluoro-1-chloroethane (HCFC-142b) for industrial use (English Version)

Standard No.
HG/T 4795-2014
Language
Chinese, Available in English version
Release Date
2014
Published By
Professional Standard - Chemical Industry
Latest
HG/T 4795-2014
Scope
This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage and safety of 1,1-difluoro-1-chloroethane (HCFC-142b, also referred to as R142b) for industrial use. . This standard applies to 1,1-difluoro-1-chloroethane (HCFC-142b). This product is used as refrigerant, foaming agent and chemical synthesis raw material. Molecular formula: CHClF Relative molecular mass: 100.5 (according to 2011 international relative atomic mass)

HG/T 4795-2014 Referenced Document

  • GB 14193 Rules for filling of liquefied gas cylinders
  • GB 190 Packing symbol of dangerous goods
  • GB/T 10248 Gas analysis.Preparation of calibration gas mixtures.Static volumetric methods
  • GB/T 191 Packaging.Pictorial marking for handling of goods
  • GB/T 5831 Determination of trace oxygen in the gases. Colorimetric method
  • 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 6681-2003 General rules for sampling gaseous chemical products
  • GB/T 6682 Water for analytical laboratory use.Specification and test methods
  • GB/T 7373-2006 Monochlorodifluoro methane for industrial uses
  • GB/T 7376-2008 Determination of micro-amounts of water in industrial fluorinated alkane
  • 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
  • TSG R4002-2011 Transportable Pressure Vessel Filling Licensing Regulation

HG/T 4795-2014 history

  • 2014 HG/T 4795-2014 1,1-Difluoro-1-chloroethane (HCFC-142b) for industrial use
1,1-Difluoro-1-chloroethane (HCFC-142b) for industrial use



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