GB 1886.388-2025 National Food Safety Standard Food Additive Butylated Hydroxytoluene (BHT)

This standard applies to the food additive Butylated Hydroxytoluene (BHT), which is obtained through an alkylation reaction of p-cresol and isobutylene using an acid catalyst (concentrated sulfuric acid or p-toluenesulfonic acid), followed by distillation and recrystallization.

Contents

1. Scope

2. Chemical Name, Molecular Formula, Structural Formula, and Relative Molecular Mass

3. Technical Requirements

Appendix A Test Methods

Appendix B Reference Gas Chromatogram of Butylated Hydroxytoluene Standard Solution