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氟化氫銨
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氟化氫銨

專門從事氟化係列產品研究、開發、生產和經營



 

分子式:NH4HF2

 

分子量:57.04

 

CAS 號:1341-49-7

 

海關編碼:2826.1910.10

 

  

【性狀】:白色斜方結晶,比重1.52。 熔點124.6,沸點239.5。空氣中易潮解,易結塊。可溶於水,水溶液呈酸性,溶解度為63 g/100ml (20),微溶於乙醇。遇熱水即可分解,產生酸性物質。高溫易升華。對皮膚有腐蝕性,有毒。

  

【產品指標】:

指標名稱


優等品

一等品

氟化氫銨 (NH4HF2)

97.0

95.0

幹重

3.0

5.0

灼燒殘渣含量

0.2

0.2

硫酸鹽 (SO4)

0.1

0.1

氟矽酸銨 (NH42SiF6)

 

 

2.0

 

4.0

 

【產品用途】:用作玻璃蝕刻劑,防腐劑,消毒劑,分析純試劑,鈹金屬助溶劑,矽鋼金屬表麵處理劑,陶瓷、鎂鋁合金的氧化劑,鍋爐給水係統和蒸發器係統的清理劑,還可用作油砂酸化處理,有機合成和稀有元素提取的氟化劑。

 

【包裝】: 聚乙烯編織袋內襯塑料袋,每袋淨重25KG。

 

【貯運】: 本品屬無機有毒物品,宜存放在幹燥、通風良好的儲存室,不宜與硫酸或食品同運和貯存。

 

 

 

 

 

Ammonium Bifluoride

 

CAS No.:1341-49-7

 

Formula: NH4HF2

 

Molecular:57.04

 

HS Code:2826.1910.10

 

 

[Properties]:It is a white orthorhombic crystal with specific gravity of 1.52. Melting Point 124.6 and boiling point 239.5. It is easily deliquescent and agglomerative in the air. It is soluble in water and the solution is acidic. The solubility in water is 63 g/100ml (20). It etches glass. It is slightly soluble in alcohol, can be decomposed in hot water and the solution appears to be strong acidic. It can sublimate in high temperature. It will corrupt skin and it is toxic when you touch it!

 

[Quality standard]:

Index Name


High class Grade

Grade

Ammonium Bifluoride (NH4HF2)

97.0

95.0

Dry Loss

3.0

5.0

Residue on Ignition

0.2

0.2

Sulphate (SO4)

0.1

0.1

Ammonium Fluosilicate (NH42SiF6)

 ≤

 2.0

 4.0

 

[Application]: It is used as glass etchant, antiseptic, disinfector, analytical reagent, the solvent in beryllia producing beryllium metal and the treatment of the surface of silicon steel plate. It is also used as the oxidant in producing pottery and aluminum magnesium alloy, the cleaning agent of boiler water-supply system and evaporator system, the acidification treatment of sand in oil field, the fluorination reagent in organic synthesis and the extraction of rare element.

 

[Packing]: Polyethylene weaving inner lined with plastic bag. Net weight is 25kg.

 

[Storage and transportation ]: Inorganic toxic substance, and should be stored in dry and adequately ventilated warehouse, and may not be co-stored or co-transported with sulfuric acid and edible food.

 


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