It occurs as a white to off-white, crystalline solid, poorly soluble in water, dilute acid and most organic solvents.
本品（炎痛息康）为白色至类白色结晶固体，难溶于水、稀酸及大多数有机溶剂中。
The applied research on the utilization of solid acid in organic synthesis has become an important field in the latest decades.
近几十年来，固体酸在有机合成中应用研究越来越广，己成为一个十分重要的领域。
It occurs as a white to off-white crystalline solid poorly soluble in water dilute acid and most organic solvents.
本品为白色至类白色节晶固体，难溶于水、稀酸及大多数有机溶剂中。
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