ASTM E475 - 10

    Standard Test Method for Assay of Di-tert-Butyl Peroxide Using Gas Chromatography

    Active Standard ASTM E475 | Developed by Subcommittee: E15.02

    Book of Standards Volume: 15.05


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    Significance and Use

    Di-tert-butyl peroxide is widely used as a catalyst and reaction initiator. Knowledge of the peroxide content is important in such applications. This test method provides a procedure for determining the active peroxide content of commercial di-tert-butyl peroxide.

    1. Scope

    1.1 This test method covers the assay of di-tert-butyl peroxide using gas chromatography. It is applicable to commercial di-tert-butyl peroxide which may contain small amounts of isobutylene, tert-butanol, tert-butyl hydroperoxide, triisobutylenes, and water as impurities.

    1.2 Review the current appropriate Material Safety Data Sheets (MSDS) for detailed information concerning toxicity, first aid procedures, and safety precautions.

    1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.4 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. Specific hazards statements are given in Section 9.


    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

    E203 Test Method for Water Using Volumetric Karl Fischer Titration


    ICS Code

    ICS Number Code 71.080.99 (Other organic chemicals)

    UNSPSC Code

    UNSPSC Code 12352120(Organic peroxides)


    Referencing This Standard

    DOI: 10.1520/E0475-10

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM E475-10, Standard Test Method for Assay of Di-tert-Butyl Peroxide Using Gas Chromatography, ASTM International, West Conshohocken, PA, 2010, www.astm.org

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