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Praseodymium trifluoride Structure

Praseodymium trifluoride

Chemical Properties

Melting point 1395°C
Density  6.2
form  powder
color  Green
Water Solubility  Soluble moderately in strong mineral acids Insoluble in water.
Sensitive  Hygroscopic
Crystal Structure LaF3 type
crystal system Three sides
Space group P3c1
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.7070.7070.72390901200.3136
Exposure limits ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3
Stability hygroscopic
CAS DataBase Reference 13709-46-1(CAS DataBase Reference)
FDA UNII X3MG2Y9URW
EPA Substance Registry System Praseodymium fluoride (PrF3) (13709-46-1)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordDanger
Hazard statements H301+H311+H331
Precautionary statements P261-P264-P280-P301+P310-P302+P352+P312-P304+P340+P311
Hazard Codes  T,Xi
Risk Statements  23/24/25-32
Safety Statements  26-36/37/39-45
RIDADR  UN 3288 6.1/PG 3
WGK Germany  3
Hazard Note  Irritant
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  28469035
NFPA 704:
0
2 0

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