有潮解性，在空气中可潮解成红棕色液体。
It has deliquescence. It can deliquesce to red brown liquid.
在酸性水溶液中呈透明的鲜艳红色，在中性水溶液中呈红棕色，在碱性水溶液中呈透明的深红棕色。
It is not dissolved in ethanol without water, acetone, aether and grease. It is red in acid, reddish brown in neutral and dark red-brown in alkaline.
在酸性水溶液中呈透明的鲜艳红色，在中性水溶液中呈红棕色，在碱性水溶液中呈透明的深红棕色。
It is not dissolved in ethanol without water, acetone, aether and grease. It is red in acid, reddish brown in neutral and dark red-brown in alkaline.
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