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

InChI

1S/2C5H5.2ClH.Hf/c2*1-2-4-5-3-1;;;/h2*1-5H;2*1H;/q;;;;+2/p-2

InChIKey

UHCOEQZUSAFLHQ-UHFFFAOYSA-L

SMILES

Cl[Hf]Cl.[CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2

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

Hafnium, dichlorobis(.eta.5-2,4-cyclopentadien-1-yl)- (12116-66-4)

Safety Information

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 

TSCA listed

HS Code 

2931.90.9051

HazardClass 

8

PackingGroup 

III

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE Usage And Synthesis

Chemical Properties

white to light brown crystals or crystalline

Uses

Starting material to prepare many kinds of hafnocene(II or IV) derivatives; in combination with AgI salt, is an effective activator for glycosyl fluoride. Pharmaceutical intermediates and alos used in chemical research.

reaction suitability

core: hafnium
reagent type: catalyst

BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE(12116-66-4)Related Product Information

• Hafnium(IV) chloride
• Titanocene dichloride
• Titanous chloride
• TITANIUM NITRIDE
• HAFNIUM
• BIS(PENTAMETHYLCYCLOPENTADIENYL)HAFNIUM DICHLORIDE
• BIS(T-BUTYLCYCLOPENTADIENYL)HAFNIUM DICHLORIDE
• BIS(ISOPROPYLCYCLOPENTADIENYL)HAFNIUM DICHLORIDE
• BIS(ETHYLCYCLOPENTADIENYL)HAFNIUM DICHLORIDE
• BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE
• BIS(BUTYLCYCLOPENTADIENYL)HAFNIUM(IV) DICHLORIDE
• (PENTAMETHYLCYCLOPENTADIENYL)(N-PROPYLCYCLOPENTADIENYL)HAFNIUM DICHLORIDE
• 1,1'-DIPROPYLHAFNOCENE DICHLORIDE