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。
2
For a classic look, pair a black jacket (like Sarah Jessica Parker's velvet number) with dark denim or a bright white tuxedo design (like Gwyneth Paltrow's) with a lighter or acid-washed pair.