1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transport, and storage, as well as safety of ethylene glycol monomethyl ether for industrial use.
This standard is applicable to ethylene glycol monomethyl ether for industrial use made from methanol and epoxyethane through catalytic reaction.
Molecular formula: C3H8HO2.
Structural formula:
Relative molecular mass: 76.10 (in accordance with international relative atomic mass reported in 2011)
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB 190 Packing symbol of dangerous 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 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 4472 Determination of density and relative density for chemical products
GB/T 5283 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 judgment of limiting values
GB/T 9722 Chemical reagent - General rules for the gas chromatography
3 Requirements
3.1 Appearance: colorless and transparent liquid.
3.2 The indexes of ethylene glycol monomethyl ether for industrial use shall meet the requirements specified in Table 1.
Foreword
Ethylene glycol monomethyl ether for industrial use
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transport and storage
7 Safety
Annex A (Normative) Typical chromatogram and relative retention values of constituents for determination of the content of ethylene glycol monomethyl ether
