A0693212
                    Ammonium bifluoride , AR,98% , 1341-49-7
                            Synonym(s):
Ammonium bifluoride;Ammonium Hydrogen Fluoride;Etching powder
                            
                        
                CAS NO.:1341-49-7
Empirical Formula: F2H5N
Molecular Weight: 57.04
MDL number: MFCD00012018
EINECS: 215-676-4
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 125 °C(lit.) | 
                                    
| Boiling point: | 230 °C | 
                                    
| Density | 1,5 g/cm3 | 
                                    
| vapor pressure | 1 hPa (20 °C) | 
                                    
| Flash point: | 238°C | 
                                    
| storage temp. | Store at room temperature. | 
                                    
| solubility | 630g/l | 
                                    
| form | Solid | 
                                    
| pka | 6.3[at 20 ℃] | 
                                    
| Specific Gravity | 1.5 | 
                                    
| color | White | 
                                    
| PH | 2 (5.7g/l, H2O, 20℃) | 
                                    
| Odor | acidic odor | 
                                    
| Water Solubility | 630 g/L (20 ºC) | 
                                    
| Sensitive | Hygroscopic | 
                                    
| Merck | 14,498 | 
                                    
| Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3  | 
                                    
| Stability: | hygroscopic | 
                                    
| InChIKey | KVBCYCWRDBDGBG-UHFFFAOYSA-N | 
                                    
| CAS DataBase Reference | 1341-49-7(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | Ammonium bifluoride (1341-49-7) | 
                                    
Description and Uses
In manufacture of Mg and Mg alloys; in brightening of Al; for purifying and cleansing various parts of beer-dispensing apparatus, tubes, etc., sterilizing dairy and other food equipment; in glass and porcelain industries; as mordant for aluminum; as a "sour" in laundering cloth. In lab production of HF.
Safety
| Symbol(GHS) | ![]() ![]() GHS05,GHS06  | 
                                    
| Signal word | Danger | 
| Hazard statements | H301-H314 | 
| Precautionary statements | P260-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 | 
| Hazard Codes | T,C | 
| Risk Statements | 25-34 | 
| Safety Statements | 22-26-37-45-36/37/39 | 
| RIDADR | UN 1727 8/PG 2 | 
| WGK Germany | 1 | 
| RTECS | BQ9200000 | 
| F | 3-9 | 
| Hazard Note | Toxic/Corrosive/Hygroscopic | 
| TSCA | Yes | 
| HazardClass | 8 | 
| PackingGroup | II | 
| HS Code | 28261910 | 
| Hazardous Substances Data | 1341-49-7(Hazardous Substances Data) | 
| Limited Quantities | 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid) | 
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | 






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