Sodium hydroxide (flake caustic soda)

Molecular formula:NaOH

Physicochemical properties:This product is a flake white solid. It is highly hygroscopic, easily soluble in water and strongly exothermic. The aqueous solution is greasy and alkaline. It is highly corrosive and has great corrosive force on skin, fabric, paper, etc. Easily absorb carbon dioxide from the air and gradually turn into sodium carbonate.

Purpose:This product is one of the most important basic chemical raw materials, basic chemical industry and other organic synthesis industries.

product quality：

fingermarknamecallfingermark

appearanceFlake white solid

NaOH % ≥ 99

Na_twoCO_three% ≤ 0.50

NaCl % ≤ 0.05

Fe_twoO_three% ≤ 0.00

term of validity≥ six months

packing:two5公斤内衬塑料袋的编织袋装，包装上有明显的“腐蚀性物品”mark志。

Storage and safety:

1. This product is inorganic alkaline corrosive and should be stored under a ventilated and dry shed. Do not expose directly to air or coexist with acids.

two、本品有很强的腐蚀性，与人体接触能引起灼伤且较难医治。操作时要带防护眼镜、橡胶手套、穿胶鞋，防止触及眼睛和皮肤。工作场所须有稀醋酸（two%）或硼酸溶液和水管备用。如不慎触及时，可用大量清水冲洗，再用稀酸液清洗，并视需要送医院治疗。

three、本品如有洒漏，应立即收集并处理。否则会吸收空气中的水分溶化为腐蚀性极强的粘稠液体。

4. Although this product does not burn or support combustion, it can produce a lot of heat in contact with water and acid, which will cause the combustion of nearby combustibles. In case of fire due to this, in addition to adopting corresponding fire extinguishing methods according to the nature of the articles on fire, the same protective measures as the operation of this product shall be taken (such as Article 2 of this section).