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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.
1.1 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.
E203 Test Method for Water Using Volumetric Karl Fischer Titration
ICS Number Code 71.080.99 (Other organic chemicals)
UNSPSC Code 12352120(Organic peroxides)
ASTM E475-10, Standard Test Method for Assay of Di-tert-Butyl Peroxide Using Gas Chromatography, ASTM International, West Conshohocken, PA, 2010, www.astm.orgBack to Top