BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE
Synonym(s):Di(cyclopentadienyl)hafnium(IV) dichloride;Hafnocene dichloride
- CAS NO.：12116-66-4
- Empirical Formula: C10H10Cl2Hf10*
- Molecular Weight: 379.58
- MDL number: MFCD00001438
- EINECS: 235-177-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:36
What is BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE?
Chemical properties
white to light brown crystals or crystalline
The Uses of BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE
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.
Properties of BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE
| 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 |
| 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 for BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for BIS(CYCLOPENTADIENYL)HAFNIUM DICHLORIDE
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