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Caesium nitrate

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Chemical compound CsNO3
Caesium nitrate
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.029.224 Edit this at Wikidata
EC Number
  • 232-146-8
PubChem CID
RTECS number
  • FL0700000
UNII
UN number 1451
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Cs.NO3/c;2-1(3)4/q+1;-1Key: NLSCHDZTHVNDCP-UHFFFAOYSA-N
  • InChI=1/Cs.NO3/c;2-1(3)4/q+1;-1Key: NLSCHDZTHVNDCP-UHFFFAOYAE
SMILES
  • . ()=O
Properties
Chemical formula CsNO3
Molar mass 194.91 g/mol
Appearance white solid
Density 3.685 g/cm
Melting point 414 °C (777 °F; 687 K)
Boiling point decomposes, see text
Solubility in water 9.16 g/100 ml (0 °C)
196.8 g/100 ml (100 °C)
Solubility in acetone soluble
Solubility in ethanol slightly soluble
Hazards
GHS labelling:
Pictograms Ox. Sol. 3
Signal word Warning
Hazard statements H272, H315, H319, H335
Precautionary statements P210, P220, P221, P280, P370+P378, P501
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
LD50 (median dose) 2390 mg/kg (oral, rat)
Related compounds
Other anions Caesium nitrite
Other cations Lithium nitrate
Sodium nitrate
Potassium nitrate
Rubidium nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Caesium nitrate or cesium nitrate is a salt with the chemical formula CsNO3. An alkali metal nitrate, it is used in pyrotechnic compositions, as a colorant and an oxidizer, e.g. in decoys and illumination flares. The caesium emissions are chiefly due to two powerful spectral lines at 852.113 nm and 894.347 nm.

Caesium nitrate prisms are used in infrared spectroscopy, in x-ray phosphors, and in scintillation counters. It is also used in making optical glasses and lenses.

As with other alkali metal nitrates, caesium nitrate decomposes on gentle heating to give caesium nitrite:

2 CsNO3 → 2 CsNO2 + O2

Caesium also forms two unusual acid nitrates, which can be described as CsNO3·HNO3 and CsNO3·2HNO3 (melting points 100 °C and 36–38 °C respectively).

References

  1. ^ Weast, Robert C., ed. (1981). CRC Handbook of Chemistry and Physics (62nd ed.). Boca Raton, Florida: CRC Press. p. B-92. ISBN 0-8493-0462-8..
  2. N Iu Tarasenko; E P Lemeshevskaia (1978). "Deĭstvie soedineniĭ tseziia na organizm ". Vestn Akad Med Nauk SSSR (in Russian). PMID 695884.
  3. Budavari, Susan, ed. (2001). The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (13th ed.). Merck. p. 345. ISBN 0911910131..
Caesium compounds
Salts and covalent derivatives of the nitrate ion
HNO3 He
LiNO3 Be(NO3)2 B(NO3)−4 RONO2
+CO3
+C2O4 		NO3
NH4NO3 		HOONO2 FNO3
+F 		Ne
NaNO3 Mg(NO3)2 Al(NO3)3
Al(NO3)−4 		Si P +SO4 ClONO2
+Cl 		Ar
KNO3 Ca(NO3)2 Sc(NO3)3 Ti(NO3)4 VO(NO3)3 Cr(NO3)3 Mn(NO3)2 Fe(NO3)2
Fe(NO3)3 		Co(NO3)2
Co(NO3)3 		Ni(NO3)2 CuNO3
Cu(NO3)2 		Zn(NO3)2 Ga(NO3)3 Ge As +SeO3 BrNO3
+Br 		Kr
RbNO3 Sr(NO3)2 Y(NO3)3 Zr(NO3)4 NbO(NO3)3 MoO2(NO3)2 Tc Ru Rh(NO3)3 Pd(NO3)2 AgNO3 Cd(NO3)2 In(NO3)3 Sn(NO3)4 Sb4O4(OH)2(NO3)2 Te INO3
+IO3 		Xe(NO3)2
CsNO3 Ba(NO3)2 * Lu(NO3)3 Hf(NO3)4 TaO(NO3)3 WO2(NO3)2 ReO3NO3 Os Ir3O(NO3)10 Pt Au(NO3)−4 Hg2(NO3)2
Hg(NO3)2 		TlNO3
Tl(NO3)3 		Pb(NO3)2 Bi(NO3)3
BiO(NO3) 		Po(NO3)4 At Rn
FrNO3 Ra(NO3)2 ** Lr 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(NO3)3 Nd(NO3)3 Pm(NO3)3 Sm(NO3)3 Eu(NO3)3 Gd(NO3)3 Tb(NO3)3 Dy(NO3)3 Ho(NO3)3 Er(NO3)3 Tm(NO3)3 Yb(NO3)3
** Ac(NO3)3 Th(NO3)4 PaO(NO3)3 UO2(NO3)2 Np(NO3)4 Pu(NO3)4 Am(NO3)3 Cm(NO3)3 Bk(NO3)3 Cf(NO3)3 Es Fm Md No


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