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Name	Hafnocene dichloride	EINECS	235-177-5
CAS No.	12116-66-4	Density	12.7g/cm3
PSA	0.00000	LogP	3.29540
Solubility	N/A	Melting Point	230-233 ºC
Formula	C10H10 Cl2 Hf	Boiling Point	339.81°C (rough estimate)
Molecular Weight	379.585	Flash Point	N/A
Transport Information	N/A	Appearance	Gray powder
Safety	A poison by intravenous route. See also HAFNIUM. When heated to decomposition it emits very toxic fumes such as Cl⁻.	Risk Codes	R20/21/22
Molecular Structure		Hazard Symbols
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;	Article Data	21

Hafnocene dichloride Chemical Properties

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

Hafnocene dichloride Uses

Bis(cyclopentadienyl)hafnium dichloride (CAS NO.12116-66-4) is used as Chemical reagents, organic intermediates, fine chemicals, pharmaceutical research and development.

Hafnocene dichloride Toxicity Data With Reference

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 .

Hafnocene dichloride Consensus Reports

Reported in EPA TSCA Inventory.

Hafnocene dichloride 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 Irritant 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

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