Sodium arsenide

Sodium arsenide  File:Na3AsOffsetLayer.tif

Names
IUPAC name

Disodioarsanylsodium

Identifiers

CAS Number

* 12044-25-6

3D model (JSmol)

* Interactive image

ChemSpider |

* 74787

EC Number |

* 234-952-5

PubChem CID

* 82879

InChI

* InChI=1S/As.3Na

Key: MMQSOEGXVXPNSH-UHFFFAOYSA-N

SMILES

* [Na][As]([Na])[Na]

Properties

Chemical formula

| Na3As
Molar mass | 143.89 g·mol−1
Appearance  | Violet brown solid
Density | 2.36 g·cm−3

Solubility in water

| Hydrolysis
Hazards
Main hazards | Toxic, releases AsH3
Related compounds

Other anions

| Sodium nitride, sodium phosphide, sodium antimonide

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

Infobox references

Sodium arsenide, also known as trisodium arsenide, is the inorganic compound of sodium and arsenic with the formula Na3As.[1] It is a dark colored solid that degrades upon contact with water or air. It is prepared by the reaction of the elements at 200–400 °C.[2] The compound is mainly of interest as exhibiting an archetypal structure. The normal pressure "sodium arsenide" phase is adopted by many alkali metal pnictides. At 3.6 gigapascals, Na3As adopts the Li3Bi structure, which is another archetypal structure.[3] Sodium arsenide is a crystalline solid used as a semiconductor and in photo optic applications. Its IUPAC name is disodioarsanylsodium.

File:Li3BiMotif.tif

## References

1. ↑ Elements, American. "Sodium Arsenide". https://www.americanelements.com/sodium-arsenide-12044-25-6.
2. ↑ E. Dönges (1963). G. Brauer. ed. Alkali Metals (2nd ed.). New York: Academic Press. p. 986.
3. ↑ Beister, Heinz Jürgen; Syassen, Karl; Klein, Jürgen (1990). "Phase Transition of Na3As under Pressure". Zeitschrift für Naturforschung B 45 (10): 1388–1392. doi:10.1515/znb-1990-1007.

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Sodium compounds

* NaAlO2
* NaBH4
* NaBH3(CN)
* NaBO2
* NaBiO3
* NaBr
* NaBrO
* NaBrO3
* NaCH3COO
* NaC6H5CO2
* NaC6H4(OH)CO2
* NaCN
* NaCl
* NaClO
* NaClO2
* NaClO3
* NaClO4
* NaF
* Na2FeO4
* NaH
* NaHCO3
* NaH2PO4
* NaHSO3
* NaHSO4
* NaI
* NaIO3
* NaIO4
* Na5IO6
* NaMnO4
* NaN3
* NaNH2
* NaNO2
* NaNO3
* NaOCN
* NaO2
* NaO3
* NaOH
* NaPO2H2
* NaReO4
* NaSCN
* NaSH
* NaTcO4
* NaVO3
* Na2CO3
* Na2C2O4
* Na2CrO4
* Na2Cr2O7
* Na2GeO3
* Na2MnO4
* Na3MnO4
* Na2MoO4
* Na2MoS4
* Na2N2O2
* Na2O
* Na2O2
* Na2O(UO3)2
* Na2PO3F
* Na2S
* Na2SO3
* Na2SO4
* Na2S2O3
* Na2S2O4
* Na2S2O5
* Na2S2O6
* Na2S2O7
* Na2S2O8
* Na2S4O6
* Na2Se
* Na2SeO3
* Na2SeO4
* Na2SiO3
* Na2Si2O5
* Na4SiO4
* Na2Te
* Na2TeO3
* Na2TeO4
* Na2Po
* Na2Ti3O7
* Na2U2O7
* Na2WO4
* Na2Zn(OH)4
* Na3N
* Na3P
* Na3PO4
* Na3VO4
* Na4Fe(CN)6
* Na4P3O7
* Na5P3O10

Chemical formulas

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