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12116-66-4

Name BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE
CAS 12116-66-4
EINECS(EC#) 235-177-5
Molecular Formula C10H10Cl2Hf 10*
MDL Number MFCD00001438
Molecular Weight 379.58
MOL File 12116-66-4.mol
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Chemical Properties

Appearance white to light brown crystals or crystalline
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
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Sensitive  Air & Moisture Sensitive
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)
NIST Chemistry Reference Bis(«eta»5-cyclopentadienyl)hafnium dichloride(12116-66-4)
EPA Substance Registry System 12116-66-4(EPA Substance)

Safety Data

Hazard Codes  Xi,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
RIDADR  UN3261
WGK Germany  3
RTECS  MG4815000
F  10-21
TSCA  Yes
HS Code  2931.90.9051
HazardClass  8
PackingGroup  III

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