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| CAS No.: | 16940-81-1 |
|---|---|
| Name: | Hexafluorophosphoric acid |
| Molecular Structure: | |
|
|
|
| Formula: | HPF6 |
| Molecular Weight: | 145.98 |
| Synonyms: | Hexafluorophosphoricacid (6CI);Hydrogen hexafluorophosphate (7CI);Phosphate(1-), hexafluoro-,hydrogen (8CI,9CI);Hydrogen hexafluorophosphate (HPF6);Hydrogenhexafluorophosphate(1-); |
| EINECS: | 241-006-5 |
| Density: | 1.651 g/mL at 25 °C |
| Melting Point: | 10 °C |
| Solubility: | hydrolyzes slowly in water |
| Appearance: | colourless to slightly brown liquid (aqueous solution) |
| Hazard Symbols: |
 T+, T, C
|
| Risk Codes: | 26/27/28-35-34-23/24/25 |
| Safety: | 26-28-36/37/39-45-7/9-36/37 |
| Transport Information: | UN 1782 8/PG 2 |
| PSA: | 13.59000 |
| LogP: | 3.49490 |
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Consensus Reports
Standards and Recommendations
ACGIH TLV: 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: (Inorganic Fluorides) TWA 2.5 mg(F)/m3.
DOT Classification: 8; Label: Corrosive.
Specification
The Hexafluorophosphoric acid , with cas registry number of 16940-81-1, has other registry numbers including (1)114675-70-6 ; (2)118127-10-9 ; (3)180724-56-5 ; (4)19214-61-0 ; (5)410090-11-8 ; (6)59219-13-5 ; (7)72974-14-2 ; (8)86921-26-8 ; (9)939426-00-3 ; (10)957554-49-3. It is also called Hydrogen hexafluorophosphate ; Hydrogen hexafluorophosphate(1-) ; Phosphate(1-) hexafluoro-, hydrogen . Its systematic name is hydrogen hexafluorophosphate . Among all names, its superlist name Hexafluorophosphoric acid ; Hexafluorophosphoric acid [UN1782] [Corrosive] ; UN1782 . Hexafluorophosphoric acid is a kind of strong acids. It is stable and incompatible with strong oxidizing agents.
Physical properties of are: (1) Melting Point: 10 °C ; (2) Density: 1.651 g/mL at 25 °C; (3) Water solubility: hydrolyzes slowly.
Preparation of Hexafluorophosphoric acid : This compound is obtained from the reaction of hydrogen fluoride with phosphorus pentafluoride.
When you are using this chemical, please be cautious about it as the following:
The Hexafluorophosphoric acid is a poison by all routes. When heated to decomposition, it emits highly toxic POx. It is very toxic by inhalation, in contact with skin and if swallowed. It will causes severe burns. After contact with skin, wash immediately with plenty of soap-suds. It is better to wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice. Or if you feel unwell, seek medical advice immediately. After use it, keep container tightly closed in a well-ventilated place.
You can still convert the following datas into molecular structure:
(1) SMILES:[H+].F[P-](F)(F)(F)(F)F;
(2) InChI:InChI=1/F6P/c1-7(2,3,4,5)6/q-1/p+1;
(3) InChIKey:LJQLCJWAZJINEB-IKLDFBCSAL