Lithium nitrate
| Lithium nitrate | |
|---|---|
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| Identifiers | |
| CAS number | 7790-69-4  |
| PubChem | 10129889 |
| Properties | |
| Molecular formula | LiNO3 |
| Molar mass | 68.946 g/mol |
| Appearance | White to light yellow solid |
| Density | 2.38 g/cm3 |
| Melting point |
255 °C, 528 K, 491 °F |
| Boiling point |
873 °C decomp. |
| Solubility in water | 90 g/100 mL (28 °C) 234 g/100 mL (100 °C) |
| Solubility | soluble in methanol, pyridine, ammonia |
| Refractive index (nD) | 1.735 [1] |
| Thermochemistry | |
| Std enthalpy of formation ΔfH |
-7.007 kJ/g |
| Hazards | |
| EU Index | Not listed |
| Main hazards | Oxidant, irritant |
| NFPA 704 |
 0
1
0
OX
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| Flash point | Non-flammable |
| Related compounds | |
| Other cations | Sodium nitrate Potassium nitrate Rubidium nitrate Caesium nitrate |
| Related compounds | Lithium sulfate Lithium chloride |
 (verify) (what is:  / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
Lithium nitrate is an inorganic compound with the formula LiNO3. It is the lithium salt of nitric acid. It is made by reacting lithium carbonate or lithium hydroxide with nitric acid.
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[edit] Uses
This deliquescent colourless salt is an oxidizing agent used in the manufacture of red-colored fireworks and flares.
Lithium Nitrate has been proposed as a medium to store heat collected from the sun for cooking. A Fresnel lens would be used to melt solid lithium nitrate, which would then function as a 'solar battery', allowing heat to be redistributed later by convection. [2]
[edit] Properties
Upon thermal decomposition, LiNO3 gives lithium oxide (Li2O), nitrogen dioxide, and oxygen:
- 4 LiNO3 → 2 Li2O + 4 NO2 + O2
Other group I nitrates decompose differently, forming the nitrite salt and oxygen. Because of its relatively small size, the lithium cation is very polarizing, which favors the formation of the oxide.
[edit] References
- ^ Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0070494398
- ^ http://barbequelovers.com/grills/a-solar-grill-prototype-for-a-greener-tomorrow
http://www.scientificamerican.com/article.cfm?id=how-to-use-solar-energy-at-night
[edit] External links
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