ASTM D5606 - 17

    Standard Specification for Toluene for Toluene Diisocyanate (TDI) Feedstock

    Active Standard ASTM D5606 | Developed by Subcommittee: D16.01

    Book of Standards Volume: 06.04


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    Abstract

    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. Scope

    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 E29.

    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.

    ASTM Standards

    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 Code

    ICS Number Code 71.080.15 (Aromatic hydrocarbons)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D5606-17

    Citation Format

    ASTM D5606-17, Standard Specification for Toluene for Toluene Diisocyanate (TDI) Feedstock, ASTM International, West Conshohocken, PA, 2017, www.astm.org

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