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one、 General State：

Molecular formula HthreeBOthree molecular weightsixty-one.8three。Boric acid is actually a hydrate of boron oxide（BtwoOthree.·threeHtwoO）,It is white powder crystal, with greasy feel and tasteless. proportionone.fourthree5。溶于水(shui)(shui)、酒精(jing)、甘(gan)油(you)及(ji)醚類中，水(shui)(shui)溶液呈弱酸性。在水(shui)(shui)中的溶解度(du)隨(sui)溫度(du)升(sheng)高而(er)增(zeng)大，并能隨(sui)水(shui)(shui)蒸(zheng)汽揮發。

Boric acid is not a dangerous chemical. Wear a dust mask when using it to avoid inhaling its dust.

IITechnical indicators：Implement national standardsGB/T5three8-two006

3、 Use Way:

It is widely used in glass, enamel and ceramic industry; It is used in medicine, metallurgy industry, photography, leather, electroplating and so on. Boric acid can produce a variety of borides, which are widely used in national defense and other industrial departments.

4、 Package pretendAnd storage：

包pretend：two5公斤。產地：美國(紙(zhi)袋(dai)包pretend)、Chile（復合袋包pretend），俄羅斯(si)（編織袋pretend）。

It shall be stored in a dry and clean warehouse and shall not be stacked in the open air. It shall be protected from rain or moisture.

term of validity:twofour個月（超過此期限經測試仍然達到Technical indicators時，仍然可with正常使用）。