可用作医药中间体，除对分子量、PH等有常规要求外，对二醇含量、重金属等也要符合合成、药用的要求。
Specifications
appearance: white to pale yallowish flaks
PH: 4.5-7.5
average molecular weight: 1800-2200
diol contet: not more than 1%
heavy metals: not more than 5ppm
residue on ignition: not more than 0.1%
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