Zinc arsenide

Zinc arsenide
Names
Other names
trizinc diarsenide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.338
EC Number
  • 234-486-2
  • InChI=1S/2As.3Zn
    Key: RHKSESDHCKYTHI-UHFFFAOYSA-N
  • [Zn].[Zn]=[As].[Zn]=[As]
Properties
Zn3As2
Molar mass 345.984 g/mol
Appearance Silver grey
Density 5.53 g/cm3
Melting point 1,015 °C (1,859 °F; 1,288 K)
Insoluble
Structure
Tetragonal
Hazards
GHS labelling:
Danger
H301, H331, H350, H410
P201, P202, P222, P231+P232, P261, P264, P270, P271, P273, P280, P281, P301+P310+P330, P304+P340, P308+P313, P321, P370+P378, P391, P403+P233, P405, P422, P501
NFPA 704 (fire diamond)
4
0
0
Safety data sheet (SDS)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Zinc arsenide (Zn3As2) is a binary compound of zinc with arsenic which forms gray tetragonal crystals. It is an inorganic semiconductor with a band gap of 1.0 eV.

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