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12067-46-8

Name TUNGSTEN SELENIDE
CAS 12067-46-8
EINECS(EC#) 235-078-7
Molecular Formula Se2W
MDL Number MFCD00049703
Molecular Weight 341.76
MOL File 12067-46-8.mol
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Chemical Properties

Definition Lamellarstructured, dry, solid lubricant with exceptionally high temperature and high vacuum stability. Retains its lubricity to temperatures as low as 265℃.
density  9.32
RTECS  YO7714000
form  Powder, 10μm
color  gray hexagonal, hexane crystals, crystalline
Water Solubility  Insoluble in water.
Exposure limits ACGIH: TWA 0.2 mg/m3; TWA 3 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 5 mg/m3; TWA 0.2 mg/m3; STEL 10 mg/m3
CAS DataBase Reference 12067-46-8(CAS DataBase Reference)
EPA Substance Registry System Tungsten selenide (WSe2) (12067-46-8)

Safety Data

RIDADR  UN3283 - class 6.1 - PG 3 - EHS - Selenium compound, solid, n.o.s., HI: all (not BR)
TSCA  Yes
HazardClass  9

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