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| CAS No.: | 1341-49-7 |
|---|---|
| Name: | Ammonium hydrogen difluoride |
| Molecular Structure: | |
 |
|
| Formula: | NH4.HF2 |
| Molecular Weight: | 57.04 |
| Synonyms: | Ammonium fluoride ((NH4)(HF2));Flammon;ammonium hydrogendifluoride;Ammonium Bifluoride;ammonium bifluoride,ABF;Ammonium hyrogen difluoride; |
| EINECS: | 215-676-4 |
| Density: | 1.5 g/cm3 |
| Melting Point: | 125 °C(lit.) |
| Boiling Point: | 230 °C |
| Flash Point: | 238°C |
| Solubility: | water: 630 g/L (20 °C) |
| Appearance: | white scales or flakes |
| Hazard Symbols: |
 T, C
|
| Risk Codes: | 25-34 |
| Safety: | 22-26-37-45-36/37/39 |
| Transport Information: | UN 1727 8/PG 2 |
| PSA: | 3.24000 |
| LogP: | 1.38930 |
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The Ammonium hydrogen difluoride, with the CAS registry number 1341-49-7, is also known as Ammonium bifluoride.It belongs to the product categories of Industrial/Fine Chemicals;Inorganic Chemicals;Inorganics;metal halide.Its EINECS number is 215-676-4. This chemical's molecular formula is NH4.HF2 and molecular weight is 57.04.What's more,Its systematic name is Ammonium hydrogen difluoride.Ammonium bifluoride solution is the white crystalline solid dissolved in water. Ammonium hydrogen difluoride is corrosive to metals and tissue. Ammonium hydrogen difluoride is used in ceramics.Dissolves in water and forms a weak solution of hydrofluoric acid.
Ammonium bifluoride reacts violently with bases. In presence of moisture will corrode glass, cement, and most metals. Flammable hydrogen gas may collect in enclosed spaces. Do not use steel, nickel, or aluminum containers [USCG, 1999].Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.
Physical properties about Ammonium bicarbonate are: (1)#H bond acceptors: 1; (2)#H bond donors: 3; (3)#Freely Rotating Bonds: 0; (4)Enthalpy of Vaporization: 23.33 kJ/mol; (5)Vapour Pressure: 5990 mmHg at 25°C; (6)Melting point: 125 °C ; (7)Boiling point: 230 °C; (8)Water solubility: 630 g/L (20 °C) ;
The Ammonium hydrogen difluoride is toxic; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.When you use it ,wear suitable protective clothing, gloves and eye/face protection,Do not breathe dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice,if you feel unwell, seek medical advice immediately (show label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES:[F-].F.[NH4+];
(2)Std. InChI:InChI=1S/2FH.H3N/h2*1H;1H3;
(3)Std. InChIKey:KVBCYCWRDBDGBG-UHFFFAOYSA-N.
