Content：99%

Package ：25kg / bag
Introduction：Sodium hydroxide (NaOH), commonly known as caustic soda, caustic soda, caustic soda, caustic soda by another name in Hong Kong called Geshi, the room temperature is a white crystal, has a strong corrosive. Soluble in water, its solution is strongly alkaline, make phenolphthalein red. Sodium hydroxide is a very popular base, is one of the chemical laboratory of essential drugs. Sodium hydroxide is easy to absorb water vapor in the air, it must be kept under seal, and use the rubber stopper. Its solution can be used as washing liquid.