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| Potassium nitrate[1] |
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Other names
Saltpetre
Nitrate of potash
Vesta powder
|
| Identifiers |
| CAS number |
7757-79-1  Y |
| PubChem |
24434 |
| ChemSpider |
22843 |
| UN number |
1486 |
| RTECS number |
TT3700000 |
| Properties |
| Molecular formula |
KNO3 |
| Molar mass |
101.103 g/mol |
| Appearance |
white solid |
| Odor |
odorless |
| Density |
2.109 g/cm3 (16 °C) |
| Melting point |
334 °C
|
| Boiling point |
400 °C decomp.
|
| Solubility in water |
133 g/L (0 °C)
360 g/L (25 °C)
2470 g/L (100 °C) |
| Solubility |
slightly soluble in ethanol
soluble in glycerol, ammonia |
| Structure |
| Crystal structure |
Orthorhombic, Aragonite |
| Hazards |
| MSDS |
External MSDS |
| EU Index |
Not listed |
| EU classification |
Oxidant (O) |
| NFPA 704 |
|
| Flash point |
Non-flammable |
| LD50 |
3750 mg/kg |
| Related compounds |
| Other anions |
Potassium nitrite |
| Other cations |
Lithium nitrate
Sodium nitrate
Rubidium nitrate
Caesium nitrate |
| Related compounds |
Potassium sulfate
Potassium chloride |
| Supplementary data page |
Structure and
properties |
n, ?r, etc. |
Thermodynamic
data |
Phase behaviour
Solid, liquid, gas |
| Spectral data |
UV, IR, NMR, MS |
 Y (what is this?) (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
| Infobox references |
* Source: Wikipedia |
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