Lithium nitrate

__ Li+ __ N __ O

Identifiers

CAS Number

* 7790-69-4 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 8305408 N

PubChem CID

* 10129889

RTECS number |

* QU9200000

UNII |

* 68XG6U4533 Y

InChI

* Key: IIPYXGDZVMZOAP-UHFFFAOYSA-N N

* InChI=1S/Li.NO3/c;2-1(3)4/q+1;-1

Key: IIPYXGDZVMZOAP-UHFFFAOYSA-N

* InChI=1/Li.NO3/c;2-1(3)4/q+1;-1

Key: IIPYXGDZVMZOAP-UHFFFAOYAC

SMILES

* [Li+].[N+](=O)([O-])[O-]

Properties

Chemical formula

| LiNO3
Molar mass | 68.946 g/mol
Appearance  | White to light yellow solid
Density | 2.38 g/cm3
Melting point |  255 °C (491 °F; 528 K)
Boiling point |  600 °C (1,112 °F; 873 K) (decomposes)

Solubility in water

| 52.2 g/100 mL (20 °C)
90 g/100 mL (28 °C)
234 g/100 mL (100 °C)
Solubility | soluble in ethanol, methanol, pyridine, ammonia, acetone

Magnetic susceptibility (χ)

| −62.0·10−6 cm3/mol (+3 H2O)

Refractive index (nD)

| 1.735[1]
Thermochemistry

Heat capacity (C)

| 64 J/(mol K)

Std molar
entropy (S ~~o~~ 298)

| 105 J/(mol K)

Std enthalpy of
formation (ΔfH⦵298)

| −7.007 kJ/g or −482.3 kJ/mol

Gibbs free energy (ΔfG˚)

| −389.5 kJ/mol

Std enthalpy of
combustion (ΔcH⦵298)

| 25.5 kJ/mol
Hazards
Main hazards | Oxidant, irritant
NFPA 704 (fire diamond)  |

Flash point | Non-flammable
Lethal dose or concentration (LD, LC):

LD50 (median dose)

| 1426 mg/kg (oral, rat)
Related compounds

Other cations

| Sodium nitrate
Potassium nitrate
Rubidium nitrate
Caesium nitrate

Related compounds

| Lithium sulfate
Lithium chloride

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

Tracking categories (test):

* SizeSet

Lithium nitrate is an inorganic compound with the formula LiNO3. It is the lithium salt of nitric acid (an alkali metal nitrate). The salt is deliquescent, absorbing water to form the hydrated form, lithium nitrate trihydrate. Its eutectics are of interest for heat transfer fluids.[2]

It is made by treating lithium carbonate or lithium hydroxide with nitric acid.

## Contents

* 1 Uses
* 1.1 Thermal storage
* 2 Synthesis
* 3 Toxicity
* 4 Further reading
* 5 References
* 6 External links

## Uses

This deliquescent colourless salt is an oxidizing agent used in the manufacture of red-colored fireworks and flares.

### Thermal storage

The hydrated form, lithium nitrate trihydrate, has an extremely high specific heat of fusion, 287±7 J/g,[3] and hence can be used for thermal energy storage at its melt temperature of 303.3 K.[4]

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.[5]

## Synthesis

Lithium nitrate can be synthesized by reacting nitric acid and lithium carbonate.

Li2CO3 \+ 2 HNO3 → 2 LiNO3 \+ H2O + CO2

Generally when forming LiNO3, a pH indicator is used to determine when all of the acid has been neutralized. However, this neutralization can also be recognized with the loss of carbon dioxide production.[6] In order to rid the final product of excess water, the sample is heated.

## Toxicity

Lithium nitrate can be toxic to the body when ingested by targeting the central nervous system, thyroids, kidneys, and cardio-vascular system.[7] When exposed to the skin, eyes, and mucous membranes, lithium nitrate can cause irritation to these areas.[8]

## Further reading

* Berchiesi, Gianfrancesco; Vitali, Giovanni; Amico, Antonio (1985). "Transport properties of lithium nitrate and calcium nitrate binary solutions in molten acetamide". Journal of Chemical & Engineering Data 30 (2): 208–9. doi:10.1021/je00040a023.
* Kelly, Michael T; Tuan, Christopher Y (2006). "A Case Study Evaluating the Use of Lithium Nitrate to Arrest Alkali-Silica Reaction in an Existing Concrete Pavement". Airfield and Highway Pavement. pp. 625–35. doi:10.1061/40838(191)53. ISBN 978-0-7844-0838-4.
* Muniz-Miranda, Francesco; Pagliai, Marco; Cardini, Gianni; Righini, Roberto (2012). "Bifurcated Hydrogen Bond in Lithium Nitrate Trihydrate Probed by ab Initio Molecular Dynamics". The Journal of Physical Chemistry A 116 (9): 2147–53. doi:10.1021/jp2120115. PMID 22309150. Bibcode: 2012JPCA..116.2147M.
* Ruiz, María L; Lick, Ileana D; Leguizamón Aparicio, María S; Ponzi, Marta I; Rodriguez-Castellón, Enrique; Ponzi, Esther N (2012). "NO Influence on Catalytic Soot Combustion: Lithium Nitrate and Gold Catalysts". Industrial & Engineering Chemistry Research 51 (3): 1150–7. doi:10.1021/ie201295s.

## References

1. ↑ Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0-07-049439-8.[page needed]
2. ↑ Wietelmann, Ulrich and Bauer, Richard J. (2005) "Lithium and Lithium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH: Weinheim. doi:10.1002/14356007.a15_393.
3. ↑ Shamberger, Patrick J.; Reid, Timothy (2012). "Thermophysical Properties of Lithium Nitrate Trihydrate from (253 to 353) K". Journal of Chemical & Engineering Data 57 (5): 1404–1411. doi:10.1021/je3000469.
4. ↑ Kenisarin, Murat; Mahkamov, Khamid (2016). "Salt hydrates as latent heat storage materials:Thermophysical properties and costs". Solar Energy Materials and Solar Cells 145 (3): 255–286. doi:10.1016/j.solmat.2015.10.029.
5. ↑ "A Solar Cooker Prototype for a Greener Tomorrow". 23 March 2011. http://barbequelovers.com/grills/a-solar-grill-prototype-for-a-greener-tomorrow.
6. ↑ "Synthesis database: Lithium nitrate synthesis". Amateur Science Network. http://www.amasci.net/syntheses/lithium-nitrate-synthesis.php?lang=eng.
7. ↑ "Material Safety Data Sheet". Sigma-Aldrich Catalog. http://www.sigmaaldrich.com/catalog/DisplayMSDSContent.do.
8. ↑ "Chemical Datasheet". CAMEO Chemicals. http://cameochemicals.noaa.gov/chemical/3774.

## External links

* Hazardous Chemical Database[yes|permanent dead link|dead link}}]

* v
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Lithium compounds

Inorganic|

* LiAlCl4
* LiAlH4
* LiAlO2
* LiBF4
* LiBH4
* LiBO2
* LiB3O5
* Li2B4O7
* LiBr
* Li2CO3
* Li2C2
* LiCl
* LiClO
* LiClO3
* LiClO4
* LiCoO2
* LiF
* LiH
* LiI
* LiIO3
* Li2IrO3
* Li2MoO4
* LiNH2
* Li2NH
* LiN3
* Li3N
* LiNO2
* LiNO3
* LiNbO3
* LiOH
* LiO2
* Li2O
* Li2O2
* LiPF6
* Li2PtO3
* Li2Po
* Li2RuO3
* Li2S
* Li2SO3
* Li2SO4
* Li3H(CO3)2
* Li2SiO3
* LiTaO3
* Li2TiO3

Organic|

* 12-hydroxystearate
* acetate
* aspartate
* citrate
* diisopropylamide
* orotate
* succinate
* stearate
* organolithiums

Minerals|

* Amblygonite
* Elbaite
* Eucryptite
* Jadarite
* Lepidolite
* Lithiophilite
* Petalite
* Pezzottaite
* Saliotite
* Spodumene
* Sugilite
* Tourmaline
* Zabuyelite
* Zinnwaldite

* v
* t
* e

Salts and covalent derivatives of the nitrate ion

HNO3 |  |  |  | He

|
|
|
|

LiNO3 | Be(NO3)2 | B(NO3)−4 | C  | NO−3,
NH4NO3 | O  | FNO3 | Ne
NaNO3 | Mg(NO3)2 | Al(NO3)3 | Si  | P  | S  | ClONO2 | Ar
KNO3 | Ca(NO3)2 | Sc(NO3)3 | Ti(NO3)4 | VO(NO3)3 | Cr(NO3)3 | Mn(NO3)2 | Fe(NO3)3,
Fe(NO3)2 | Co(NO3)2,
Co(NO3)3 | Ni(NO3)2 | Cu(NO3)2 | Zn(NO3)2 | Ga(NO3)3 | Ge  | As  | Se  | Br  | Kr
RbNO3 | Sr(NO3)2 | Y(NO3)3 | Zr(NO3)4 | Nb  | Mo  | Tc  | Ru  | Rh  | Pd(NO3)2 | AgNO3 | Cd(NO3)2 | In  | Sn  | Sb(NO3)3 | Te  | I  | Xe(NO3)2
CsNO3 | Ba(NO3)2 |  | Hf  | Ta  | W  | Re  | Os  | Ir  | Pt  | Au  | Hg2(NO3)2,
Hg(NO3)2 | Tl(NO3)3,
TlNO3 | Pb(NO3)2 | Bi(NO3)3
BiO(NO3) | Po  | At  | Rn
FrNO3 | Ra(NO3)2 |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
La(NO3)3 | Ce(NO3)3,
Ce(NO3)4 | Pr  | Nd(NO3)3 | Pm  | Sm  | Eu(NO3)3 | Gd(NO3)3 | Tb(NO3)3 | Dy  | Ho  | Er  | Tm  | Yb  | Lu
Ac(NO3)3 | Th(NO3)4 | Pa  | UO2(NO3)2 | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No  | Lr

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