Mercury(II) selenide
- CAS NO.：20601-83-6
- Empirical Formula: HgSe
- Molecular Weight: 279.55
- MDL number: MFCD00049743
- EINECS: 243-910-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:32
What is Mercury(II) selenide?
Chemical properties
gray powder(s); sublimes in vacuum [HAW93] [STR93]
The Uses of Mercury(II) selenide
Semiconductor in solar cells, thin-film transistors, infrared detectors, ultrasonic amplifiers.
The Uses of Mercury(II) selenide
Mercury(II) selenide is used in semiconductors, infrared detectors, solar cells, transistors and amplifiers. It is also used as filters in some steel plants in order to remove mercury from exhaust gases. Further, it is used as an ohmic contact to wide-gap II-VI semiconductors such as zinc selenide or zinc oxide.
Definition
Sublimes in a vacuum, d 8.266, insoluble in water.
Hazard
Highly toxic.
Properties of Mercury(II) selenide
| Melting point: | subl. |
| Density | 8.27 g/mL at 25 °C(lit.) |
| solubility | insoluble in H2O |
| form | Powder |
| color | Gray |
| Water Solubility | Insoluble in water. |
| Crystal Structure | Cubic, Sphalerite Structure - Space Group F(-4)3m |
| Exposure limits | ACGIH: TWA 0.025 mg/m3; TWA 0.2 mg/m3 (Skin) NIOSH: IDLH 10 mg/m3; IDLH 1 mg/m3; TWA 0.05 mg/m3; TWA 0.2 mg/m3; Ceiling 0.1 mg/m3 |
| CAS DataBase Reference | 20601-83-6(CAS DataBase Reference) |
| EPA Substance Registry System | Mercury selenide (HgSe) (20601-83-6) |
Safety information for Mercury(II) selenide
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H300:Acute toxicity,oral H310:Acute toxicity,dermal H330:Acute toxicity,inhalation H373:Specific target organ toxicity, repeated exposure H400:Hazardous to the aquatic environment, acute hazard H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P320:Specific treatment is urgent (see … on this label). P330:Rinse mouth. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P405:Store locked up. |
Computed Descriptors for Mercury(II) selenide
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