1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety of propylene oxide for industrial use.
It is applicable to the propylene oxide for industrial use produced by oxidation and chlorohydrin methods.
Molecular formula: C3H6O
Structural formula:
Relative molecular mass: 58.08 (as per the international relative atomic mass 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 of the referenced document (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/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 6283 Chemical products - Determination of water - Karl·Fischer method (general method)
GB/T 6324.6 Test method of organic chemical products - Part 6: Determination of color for liquids - Tristimulus colorimetry
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 15258 General rules for preparation of precautionary label for chemicals
3 Requirements
3.1 Appearance
Transparent liquid and free of mechanical impurities.
3.2 The quality of propylene oxide for industrial use shall conform to the provisions 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) Determination of the content of propylene oxide and impurity (gas chromatography)
Annex B (Normative) Determination of acidity
