Beryllium telluride
Identifiers | |
---|---|
12232-27-8 | |
ECHA InfoCard | 100.032.217 |
PubChem | 82991 |
Properties | |
BeTe | |
Molar mass | 136.612 g/mol |
Density | 5.1 g/cm3 |
Structure | |
sphalerite, cF8, Space group = F-43m, No. 216 | |
Hazards | |
US health exposure limits (NIOSH): | |
PEL (Permissible) |
TWA 0.002 mg/m3 C 0.005 mg/m3 (30 minutes), with a maximum peak of 0.025 mg/m3 (as Be)[1] |
REL (Recommended) |
Ca C 0.0005 mg/m3 (as Be)[1] |
IDLH (Immediate danger) |
Ca [4 mg/m3 (as Be)][1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references | |
Beryllium telluride (BeTe) is a chemical compound of beryllium and tellurium. It is a crystalline solid with the lattice constant of 0.5615 nm. It is a semiconductor with a large energy gap of around 3 eV. Toxicity is unknown. Toxic hydrogen telluride gas is evolved on exposure to water.
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