Methyldibromo glutaronitrile

Methyldibromo glutaronitrile (MDBGN) is a widely used preservative.
It is made by reacting bromine with 2-methyleneglutaronitrile below 30 °C. An allergy to the chemical can be discovered by performing a patch test.
英汉双解词典包含3607232条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。