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This specification covers toluene for toluene diisocyanate (TDI) feedstock. The purity, acid wash color, benzene, nanoromatics, ethylbenzene, xylenes, and appearance of toluene shall be tested to meet the requirements prescribed.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers toluene for toluene diisocyanate (TDI) feedstock.
1.2 The following applies to all specified limits in this specification: for purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off to the nearest unit in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice .
1.3 Consult OSHA regulations and supplier’s Safety Data Sheets for all materials used in this specification.
1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D848 Test Method for Acid Wash Color of Industrial Aromatic Hydrocarbons
D2360 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
D3437 Practice for Sampling and Handling Liquid Cyclic Products
D5386 Test Method for Color of Liquids Using Tristimulus Colorimetry
D6526 Test Method for Analysis of Toluene by Capillary Column Gas Chromatography
D7504 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective Carbon Number
D8005 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E2680 Test Method for Appearance of Clear, Transparent Liquids (Visual Inspection Procedure)
ICS Number Code 71.080.15 (Aromatic hydrocarbons)
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ASTM D5606-17, Standard Specification for Toluene for Toluene Diisocyanate (TDI) Feedstock, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top