| M Formula: | PbSe |
| Properties: | |
| Gray crystals. D 8.10 (15C), mp 1065C. Insoluble in water; soluble in nitric acid. | |
| Hazard: | |
| Moderate fire hazard as dust or in presence of moisture. TLV: 0.15 mg(Pb)/m3. | |
| Use: | |
| As a semiconductor in infrared detectors and thermoelectric devices. | |