(BICYCLO[2.2.1]HEPTA-2,5-DIENE)CHLORORHODIUM(I) DIMER
Synonym(s):[Rh(nbd)Cl]2;2,5-Norbornadiene-rhodium(I) chloride dimer;Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer;Chloro(2,5-norbornadiene)rhodium(I) dimer;Di(μ-chloro)bis(norbornadiene)dirhodium(I)
- CAS NO.：12257-42-0
- Empirical Formula: C14H16Cl2Rh28*
- Molecular Weight: 460.99
- MDL number: MFCD00198060
- EINECS: 235-510-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:54:12
![(BICYCLO[2.2.1]HEPTA-2,5-DIENE)CHLORORHODIUM(I) DIMER Structural](https://img.chemicalbook.in/CAS/GIF/12257-42-0.gif)
What is (BICYCLO[2.2.1]HEPTA-2,5-DIENE)CHLORORHODIUM(I) DIMER?
Chemical properties
mustard yellow crystals
The Uses of (BICYCLO[2.2.1]HEPTA-2,5-DIENE)CHLORORHODIUM(I) DIMER
Di-μ-chlorobis(norbornadiene)dirhodium(I) is used as catalysts in olefin hydroformylation, olefin hydrogenation and olefin isomerization
Purification Methods
It recrystallises from hot CHCl3/pet ether as fine crystals soluble in CHCl3 and *C6H6 but is almost insoluble in Et2O or pet ether. [Abel et al. J Chem Soc 3178 1959.]
Properties of (BICYCLO[2.2.1]HEPTA-2,5-DIENE)CHLORORHODIUM(I) DIMER
| Melting point: | 239-241°C (dec.) |
| storage temp. | 2-8°C |
| form | Powder |
| color | yellow to orange |
| Water Solubility | Slightly soluble in acetone, chloroform, methanol and insoluble in water. |
| Exposure limits | ACGIH: TWA 1 mg/m3 NIOSH: IDLH 100 mg/m3; TWA 0.1 mg/m3 |
Safety information for (BICYCLO[2.2.1]HEPTA-2,5-DIENE)CHLORORHODIUM(I) DIMER
| 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. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for (BICYCLO[2.2.1]HEPTA-2,5-DIENE)CHLORORHODIUM(I) DIMER
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