1 Scope
This standard specifies the requirements, test methods, inspection rules as well as marking, packaging, transportation, storage and safety of dimethyl carbonate for industrial use.
This standard is applicable to dimethyl carbonate for industrial use produced from propylene carbonate or vinyl carbonate and methanol as raw material.
Molecular formula: C3H6O3
Structural formula:
Relative molecular mass: 90.10 (according to international relative atomic mass in 2011)
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 190 Packing symbol of dangerous goods
GB/T 191 Packaging—Pictorial marking for handling of goods
GB/T 601 Chemical reagent—Preparations of reference titration solutions
GB/T 603 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 4472-2011 Determination of density and relative density for chemical products
GB/T 6283 Chemical products—Determination of water—Karl•Fischer method (general method)
GB/T 6324.8 Test methods of organic chemical products—Part 8: Determination of water of liquid products—Carl•fischer coulometric 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 judgment of limiting values
GB/T 9722 Chemical reagent—General rules for the gas chromatography
GB/T 23942 Chemical reagents—General rules for inductively coupled plasma atomic emission spectrometry
GB 30000.7 Rules for classification and labelling of chemicals—Part 7: Flammable liquids
JY/T 023-1996 General rules for graphite furnace atomic absorption spectrophotometry
3 Requirements
3.1 Appearance
Colorless and transparent liquid without visible impurities.
3.2 Technical indexes
Dimethyl carbonate for industrial use shall meet the technical indexes shown in Table 1.
Foreword i
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation and storage
7 Safety
Annex A (Normative) Typical chromatogram, relative retention value of components and determination method of correction factor for the determination of dimethyl carbonate content
1 Scope
This standard specifies the requirements, test methods, inspection rules as well as marking, packaging, transportation, storage and safety of dimethyl carbonate for industrial use.
This standard is applicable to dimethyl carbonate for industrial use produced from propylene carbonate or vinyl carbonate and methanol as raw material.
Molecular formula: C3H6O3
Structural formula:
Relative molecular mass: 90.10 (according to international relative atomic mass in 2011)
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 190 Packing symbol of dangerous goods
GB/T 191 Packaging—Pictorial marking for handling of goods
GB/T 601 Chemical reagent—Preparations of reference titration solutions
GB/T 603 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 4472-2011 Determination of density and relative density for chemical products
GB/T 6283 Chemical products—Determination of water—Karl•Fischer method (general method)
GB/T 6324.8 Test methods of organic chemical products—Part 8: Determination of water of liquid products—Carl•fischer coulometric 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 judgment of limiting values
GB/T 9722 Chemical reagent—General rules for the gas chromatography
GB/T 23942 Chemical reagents—General rules for inductively coupled plasma atomic emission spectrometry
GB 30000.7 Rules for classification and labelling of chemicals—Part 7: Flammable liquids
JY/T 023-1996 General rules for graphite furnace atomic absorption spectrophotometry
3 Requirements
3.1 Appearance
Colorless and transparent liquid without visible impurities.
3.2 Technical indexes
Dimethyl carbonate for industrial use shall meet the technical indexes shown in Table 1.
Contents of GB/T 33107-2016
Foreword i
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation and storage
7 Safety
Annex A (Normative) Typical chromatogram, relative retention value of components and determination method of correction factor for the determination of dimethyl carbonate content