Name | BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE |
Synonyms | BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE Dicyclopenta-1,3-dien-1-ylhafnium(2+) dichloride |
CAS | 12116-66-4 |
EINECS | 235-177-5 |
InChI | InChI=1/2C5H5.2ClH.Hf/c2*1-2-4-5-3-1;;;/h2*1-3H,4H2;2*1H;/q;;;;+2/p-2/rC10H10Hf.2ClH/c1-2-6-9(5-1)11-10-7-3-4-8-10;;/h1-5,7H,6,8H2;2*1H/q+2;;/p-2 |
Molecular Formula | (C5H5)2HfCl2 |
Molar Mass | 379.58 |
Melting Point | 230-233℃ |
Boling Point | 339.81°C (rough estimate) |
Appearance | Morphological crystal, color off-white |
Storage Condition | 2-8℃ |
MDL | MFCD00001438 |
Hazard Symbols | Xn - Harmful![]() |
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
Safety Description | S37/39 - Wear suitable gloves and eye/face protection |
UN IDs | UN3261 |
WGK Germany | 3 |
RTECS | MG4815000 |
FLUKA BRAND F CODES | 10-21 |
TSCA | Yes |
Hazard Class | 8 |
Packing Group | III |
Solubility | Soluble in aromatic solvents, chloroform; slightly soluble in THF, ether. Insolble in hexanes. |
Sensitivity | Air & Moisture Sensitive |
Hydrolytic sensitivity | 7: reacts slowly with moisture/water |
NIST chemical information | Bis(«eta»5-cyclopentadienyl)hafnium dichloride(12116-66-4) |
EPA chemical information | Hafnium, dichlorobis(.eta.5-2,4-cyclopentadien-1-yl)- (12116-66-4) |