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20601-83-6

Name MERCURY (II) SELENIDE
CAS 20601-83-6
EINECS(EC#) 243-910-5
Molecular Formula HgSe
MDL Number MFCD00049743
Molecular Weight 279.55
MOL File 20601-83-6.mol
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Chemical Properties

Definition Sublimes in a vacuum, d 8.266, insoluble in water.
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
Uses
Semiconductor in solar cells, thin-film transistors, infrared detectors, ultrasonic amplifiers.
CAS DataBase Reference 20601-83-6(CAS DataBase Reference)
EPA Substance Registry System Mercury selenide (HgSe) (20601-83-6)

Safety Data

Hazard Codes  T
Risk Statements 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R33:Danger of cumulative effects.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2025 6.1/PG 2
WGK Germany  3
TSCA  Yes
HazardClass  6.1
PackingGroup  II

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