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| CAS No.: | 7784-19-2 |
|---|---|
| Name: | Ammonium hexafluoroaluminate |
| Molecular Structure: | |
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|
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| Formula: | AlF6 . 3 H4 N |
| Molecular Weight: | 195.087 |
| Synonyms: | Aluminate(3-),hexafluoro-, triammonium (8CI); Aluminate(3-), hexafluoro-, triammonium,(OC-6-11)- (9CI); Ammonium hexafluoroaluminate (7CI); Aluminum ammoniumfluoride (Al(NH4)3F6); Ammonium aluminum fluoride; Ammonium hexafluoroaluminate((NH4)3AlF6); NSC 310006; Triammonium aluminum hexafluoride; Triammoniumhexafluoroaluminate; Triammonium hexafluoroaluminate(3-) |
| EINECS: | 232-052-7 |
| Density: | 1.78 g/cm3 |
| Melting Point: | 126.1oC |
| Boiling Point: | 239,5°C |
| Solubility: | Freely soluble in water |
| Appearance: | Odorless, white to off-white crystals. |
| Hazard Symbols: | Xi |
| Risk Codes: | 34 |
| Safety: | Poison by intravenous route. When heated to decomposition it emits very toxic fumes of F−, NOx, and NH3. See also ALUMINUM COMPOUNDS and FLUORIDES. |
| PSA: | 0.00000 |
| LogP: | 3.64980 |
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Chemistry
IUPAC Name: Triazanium hexafluoroaluminum(3-)V
The MF of Ammonium hexafluoroaluminate (CAS NO.7784-19-2) is AlF6H12N3.
The MW of Ammonium hexafluoroaluminate (CAS NO.7784-19-2) is 195.09.
Synonyms of Ammonium hexafluoroaluminate (CAS NO.7784-19-2): Ammoniumhexa fluoroaluminate ; Ammoniumcryolite ; Ammoniumfluoaluminate
Apperance: White crystalline powder
Melting Point: 1261 °C
Boiling Point: 2395 °C
Merck: 14,524
EINECS: 232-052-7
Uses
Ammonium hexafluoroaluminate (CAS NO.7784-19-2) is used in the preparation of pure aluminum fluoride as a flux.
Toxicity Data With Reference
| 1. | ivn-mus LD50:18 mg/kg | CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#00136 . |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by intravenous route. When heated to decomposition it emits very toxic fumes of F−, NOx, and NH3. See also ALUMINUM COMPOUNDS and FLUORIDES.Safety information of Ammonium hexafluoroaluminate (CAS NO.7784-19-2):
Hazard Codes 
Xi
Risk Statements
34 Causes burns
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
27 Take off immediately all contaminated clothing
28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
36/37/39 Wear suitable protective clothing, gloves and eye/face protection
RIDADR 1759
Hazard Note Irritant
HazardClass 6.1
PackingGroup III
Standards and Recommendations
OSHA PEL: TWA 2.5 mg(F)/m3
ACGIH TLV: TWA 2 mg(Al)/m3; TWA 2.5 mg(F)/m3; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: TWA 2.5 mg(F)/m3