發(fā)布日期：2019-01-09 瀏覽次數(shù)：245
氟化氫銨：
分子式：NH4HF2
分子量：57.04
CAS 號(hào)：1341-49-7
海關(guān)編碼：2826.1910.10
【性狀】：白色斜方結(jié)晶，比重1.52。 熔點(diǎn)124.6，沸點(diǎn)239.5?？諝庵幸壮苯?，易結(jié)塊。可溶于水，水溶液呈酸性，溶解度為63 g/100ml (20)，微溶于乙醇。遇熱水即可分解，產(chǎn)生酸性物質(zhì)。高溫易升華。對(duì)皮膚有腐蝕性，有毒。
【產(chǎn)品指標(biāo)】：
指標(biāo)名稱 | 優(yōu)等品 | 一等品 | |
氟化氫銨 (NH4HF2) | ≥ | 97.0 | 95.0 |
干重 | ≤ | 3.0 | 5.0 |
灼燒殘?jiān)?/span> | ≤ | 0.2 | 0.2 |
硫酸鹽 (SO4) | ≤ | 0.1 | 0.1 |
氟硅酸銨 (NH42SiF6) | ≤ | 2.0 | 4.0 |
【產(chǎn)品用途】：用作玻璃蝕刻劑，防腐劑，消毒劑，分析純?cè)噭?，鈹金屬助溶劑，硅鋼金屬表面處理劑，陶瓷、鎂鋁合金的氧化劑，鍋爐給水系統(tǒng)和蒸發(fā)器系統(tǒng)的清理劑，還可用作油砂酸化處理，有機(jī)合成和稀有元素提取的氟化劑。
【包裝】：聚乙烯編織袋內(nèi)襯塑料袋，每袋凈重25KG。
【貯運(yùn)】：本品屬無(wú)機(jī)有毒物品，宜存放在干燥、通風(fēng)良好的儲(chǔ)存室，不宜與硫酸或食品同運(yùn)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]:
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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