氟化氢铵

氟化氢铵：

分子式：NH4HF₂

分子量：57.04

CAS 号：1341-49-7

海关编码：2826.1910.10

【性状】：白色斜方结晶，比重1.52。 熔点124.6，沸点239.5。空气中易潮解，易结块。可溶于水，水溶液呈酸性，溶解度为63 g/100ml (20)，微溶于乙醇。遇热水即可分解，产生酸性物质。高温易升华。对皮肤有腐蚀性，有毒。

【产品指标】：

【产品用途】：用作玻璃蚀刻剂，防腐剂，消毒剂，分析纯试剂，铍金属助溶剂，硅钢金属表面处理剂，陶瓷、镁铝合金的氧化剂，锅炉给水系统和蒸发器系统的清理剂，还可用作油砂酸化处理，有机合成和稀有元素提取的氟化剂。

【包装】：聚乙烯编织袋内衬塑料袋，每袋净重25KG。

【贮运】：本品属无机有毒物品，宜存放在干燥、通风良好的储存室，不宜与硫酸或食品同运和贮存。

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]:

[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.