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Other names
trizinc diarsenide
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.031.338 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
Zn3As2 | |
Molar mass | 345.984 g/mol |
Appearance | Silver grey[1] |
Density | 5.53 g/cm3[1] |
Melting point | 1,015 °C (1,859 °F; 1,288 K) |
Insoluble[1] | |
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) | |
Safety data sheet (SDS) | [1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.[2]