Basic information
- Name:
Hafnium, dichlorobis(h5-2,4-cyclopentadien-1-yl)-
- Superlist Name:
- Hafnocene dichloride
- CAS No.:
12116-66-4
- Molecular Structure:
- Formula:
- C10H10 Cl2 Hf
- Molecular Weight:
- 379.59
- Deleted CAS:
- 23845-56-9
- Synonyms:
- Dicyclopentadienylhafniumdichloride (6CI);Hafnium, dichlorodi-p-cyclopentadienyl- (8CI);Bis(cyclopentadienyl)hafniumdichloride;Bis(cyclopentadienyl)hafnium(IV) dichloride;Dichlorobis(cyclopentadienyl)hafnium;Dichlorobis(h-cyclopentadienyl)hafnium;Dichlorobis(h5-cyclopentadienyl)hafnium;Dichlorodi-p-cyclopentadienylhafnium;Dichlorodicyclopentadienylhafnium;Dichlorohafnocene;Hafnium dicyclopentadienedichloride;Hafnocene dichloride;NSC 102788;
- EINECS:
- 235-177-5
- Melting Point:
- 230-233 ºC
- Hazard Symbols:
- Risk Codes:
- R20/21/22
- Safety Description:
- A poison by intravenous route. See also HAFNIUM. When heated to decomposition it emits very toxic fumes such as Cl−. Details
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Chemistry
IUPAC Name: Bis(cyclopentadienyl)hafnium dichloride
The MF of Bis(cyclopentadienyl)hafnium dichloride (CAS NO.12116-66-4) is C10H12Cl2Hf.
The MW of Bis(cyclopentadienyl)hafnium dichloride (CAS NO.12116-66-4) is 381.59828.
Synonyms of Bis(cyclopentadienyl)hafnium dichloride (CAS NO.12116-66-4): Cyclopenta-1,3-dien-dichlorhafnium(2:1) ; Hafnocene dichloride
Product Categories: Biochemistry;Classes of Metal Compounds;Hf (Hafnium) Compounds;Metallocenes;Reagents for Oligosaccharide Synthesis;Titanocene, etc.
Apperance: white to light brown crystals or crystalline
Sensitive: Air & Moisture Sensitive
Melting Point: 230-233 °C
EINECS: 235-177-5
Uses
Bis(cyclopentadienyl)hafnium dichloride (CAS NO.12116-66-4) is used as Chemical reagents, organic intermediates, fine chemicals, pharmaceutical research and development.
Toxicity Data With Reference
| 1. | ivn-mus LD50:100 mg/kg | CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#04787 . |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
A poison by intravenous route. See also HAFNIUM. When heated to decomposition it emits very toxic fumes such as Cl−.Safety information of Bis(cyclopentadienyl)hafnium dichloride (CAS NO.12116-66-4):
Hazard Codes 
Xi,Xn
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
20/21/22 Harmful by inhalation, in contact with skin and if swallowed
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39 Wear suitable protective clothing, gloves and eye/face protection
RIDADR UN3261
WGK Germany 3
RTECS MG4815000
F 10-21
TSCA Yes
HazardClass 8
PackingGroup III