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BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE Structure

BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE

Chemical Properties

Melting point 230-233 °C
Boiling point 339.81°C (rough estimate)
solubility  Soluble in aromatic solvents, chloroform; slightly soluble in THF, ether. Insolble in hexanes.
form  crystal
color  off-white
Sensitive  Air & Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
CAS DataBase Reference 12116-66-4(CAS DataBase Reference)
EWG's Food Scores 1
NIST Chemistry Reference Bis(«eta»5-cyclopentadienyl)hafnium dichloride(12116-66-4)
EPA Substance Registry System Hafnium, dichlorobis(.eta.5-2,4-cyclopentadien-1-yl)- (12116-66-4)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-20/21/22
Safety Statements  26-36-37/39
RIDADR  UN3261
WGK Germany  3
RTECS  MG4815000
F  10-21
TSCA  Yes
HS Code  2931.90.9051
HazardClass  8
PackingGroup  III
NFPA 704:
0
2 0

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