丁二酰丁二酸二甲酯化工行业标准HG／T4644-2014简介

The Chemical Industry Standard Introduction of Dimethyl Succinylsuccinate （ HG/T 4644 - 2014 ）

文中阐述了制订丁二酰丁二酸二甲酯化工行业标准的意义和过程，介绍了标准编制的原则和标准的主要内容。标准规定了丁二酰丁二酸二甲酯的质量要求、采样、试验方法、检验规则，以及标志、标签、包装、运输和贮存。文中还详细介绍了该产品应控制的质量项目，包括外观、丁二酰丁二酸二甲酯的纯度、干品初熔点、挥发分的质量分数4项指标，产品质量等级分为优等品和合格品两个等级，以及相应的技术指标值和标准的试验方法。

The meaning and process for establishing the chemical industry standard of dimethyl succinylsuccinate （DMSS） were expounded. The main content of the principle and standard of the standard preparation were introduced. The DMSS mass standard, sampling, test methods, inspection rules, and the logo, label, packing, transportation, storage were ruled in the standard. It is introduced that the DMSS quality index should be controlled, including appearance,purity, first melting point and the percentage of volatile matter in DMSS. The grade of product quality are divided into high-class product and qualified two grades, which was also introduced in the principle.