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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公斤內襯塑料袋(dai)的(de)編織(zhi)袋(dai)裝，包(bao)裝上有明(ming)顯的(de)“腐蝕性物品”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(pin)有很強的腐蝕性(xing)，與(yu)人(ren)體接(jie)觸能引起灼傷且較難醫(yi)治(zhi)。操作時要帶防(fang)護眼鏡、橡(xiang)膠手套(tao)、穿膠鞋，防(fang)止觸及眼睛和(he)皮膚。工作場所須有稀醋酸（two%）或(huo)硼(peng)酸溶液(ye)和(he)水(shui)管備用。如不慎觸及時，可用大量清水(shui)沖洗，再用稀酸液(ye)清洗，并視需要送醫(yi)院治(zhi)療。

three、本(ben)品如(ru)有灑漏，應立即(ji)收(shou)集并處理。否(fou)則(ze)會吸收(shou)空氣中的水分(fen)溶化為腐蝕性極(ji)強的粘稠液體。

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).