ASTM D1786-01

    Standard Specification for Toluene Diisocyanate


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    1. Scope

    1.1 This specification covers toluene diisocyanate used as an ingredient in the production of polyurethane cellular materials.

    Note 1—The properties included in this specification are those required to characterize toluene diisocyanate. Other requirements may become necessary and will be added as the necessary test methods become available.

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    1.2 The following precautionary caveat pertains only to the test methods portion, Section 6, of this specification:This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    Note 2—There is no equivalent ISO standard.


    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

    D883 Terminology Relating to Plastics

    D4660 Test Methods for Polyurethane Raw Materials: Determination of the Isomer Content of Toluenediisocyanate

    D4661 Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates

    D4663 Test Method for Polyurethane Raw Materials: Determination of Hydrolyzable Chlorine of Isocyanates

    D4877 Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates

    D5155 Test Methods for Polyurethane Raw Materials: Determination of the Isocyanate Content of Aromatic Isocyanates

    D5629 Test Method for Polyurethane Raw Materials: Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane Prepolymers

    Federal Standard

    49 CFR Transportation Part 172.01 Code of Federal Regulation is available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.


    ICS Code

    ICS Number Code 83.080.20 (Thermoplastic materials)

    UNSPSC Code

    UNSPSC Code 12352100(Organic derivatives and substituted compounds)


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

    DOI: 10.1520/D1786-01

    Citation Format

    ASTM D1786-01, Standard Specification for Toluene Diisocyanate, ASTM International, West Conshohocken, PA, 2001, www.astm.org

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