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Samarium trifluoride Structure

Samarium trifluoride

Chemical Properties

Melting point 1306 °C
Boiling point 2323 °C
Density  6,928 g/cm3
solubility  reacts with H2O
form  Fine Crystalline Powder
color  Slightly yellow
Specific Gravity 6.928
Water Solubility  Soluble moderately in strong mineral acids. Insoluble in water.
Sensitive  Hygroscopic
Crystal Structure YF3 type
crystal system Nogata
Space group Pnma
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.6680.7060.4419090900.208
Exposure limits ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3
Stability hygroscopic
CAS DataBase Reference 13765-24-7(CAS DataBase Reference)
EPA Substance Registry System Samarium fluoride (SmF3) (13765-24-7)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H302-H312-H315-H319-H331-H335
Precautionary statements P261-P280-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi,T
Risk Statements  36/37/38-32-23/24/25
Safety Statements  37/39-26-45-36/37/39
RIDADR  UN 3288
Hazard Note  Irritant
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  28469000
NFPA 704:
0
2 0

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Samarium trifluoride Chemical Properties,Usage,Production

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