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一、化學(xué)名：碳酸鎂,，堿式碳酸鎂

二、分子式：xMgCO₃·yMg(OH) ₂·nH₂O

三,、分子量：----

四、CAS: 39409-82-0

五,、性狀：常溫時(shí)為三水鹽,。輕質(zhì)為白色易碎塊狀或松散的白色粉末。無臭,。相對(duì)密度2.2,。熔點(diǎn)350℃。在空氣中穩(wěn)定,。加熱至700℃發(fā)生二氧化碳，生成氧化鎂,。幾乎不溶于水,，但在水中引起輕微的堿性反應(yīng)。不溶于乙醇,，可被烯酸溶解并發(fā)泡,。

六、用途：堿性劑,；干燥劑,；護(hù)色劑；抗結(jié)劑,；載體,；膨松劑；酸度調(diào)節(jié)劑,。

七,、包裝：凈重25kg，復(fù)合牛皮紙袋內(nèi)襯聚氯乙烯袋,；

八,、儲(chǔ)運(yùn)與運(yùn)輸：應(yīng)貯在陰涼、干燥,、通風(fēng)清潔的庫房中,，輕裝輕放，防止受潮,、受熱,，運(yùn)輸過程中防止雨淋受潮,，應(yīng)與有毒物品隔離堆放。

1,、Chemical Name: MAGNESIUM CARBONATE

2,、Molecular Formula: xMgCO₃·yMg(OH) ₂·nH₂O

3、Molecular Weight: ---

4,、CAS: 39409-82-0

5,、Character: In normal temperature, it’s with three hydrates. Light one is white, easily fragile or loose white powder. Odorless. Relative density is 2.2. Melting point is 350℃. It’s stable in the air. When heated to 700℃, it will become magnesium oxide. It’s hardly soluble in water, but it’ll bring a slight alkaline reaction. It can not be soluble in ethanol but it could be soluble in olefine acid with sparkling.

6、Usage: It’s used as drier, color ficatives, anticaking agent, carrier, swelling agent, acidity regulator.

7,、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

8,、Storage and Transport: It should be stored in a dark, dry and ventilative warehouse, kept away from water and moisture; unloaded with care to avoid damage. Furthermore, it must be stored separately from poisonous substances.