(9-Butyl-9-fluorenyl)dicyclohexylphosphonium tetrafluoroborate
(9-Butyl-9-fluorenyl)dicyclohexylphosphonium tetrafluoroborate (CAS: 1007311-98-9) is a specialized organophosphorus compound with the molecular formula C29H40BF4P and a molecular weight of 506.41 g/mol. It serves as a valuable ligand in catalysis, particularly in asymmetric synthesis. This phosphonium salt is recognised for its utility in facilitating complex chemical transformations and is supplied by Tech Serve Solutions with a minimum assay of 97%.
- IUPAC
- (9-Butyl-9-fluorenyl)dicyclohexylphosphine tetrafluoroborate,cataCXium® FBu

Asymmetric Catalysis
This phosphonium salt acts as a chiral ligand, enabling enantioselective synthesis of valuable chiral compounds. Its unique structure facilitates high levels of stereocontrol in catalytic reactions.
Organometallic Chemistry
It finds application as a component in the development of novel organometallic catalysts. The phosphonium moiety can coordinate to metal centres, influencing catalytic activity and selectivity.
Fine Chemical Synthesis
Used as a reagent or catalyst in the synthesis of complex organic molecules, including pharmaceutical intermediates. Its application aids in the efficient construction of target molecular architectures.
| Molecular weight | 506.41 |
|---|---|
| Empirical formula | C29H40BF4P |
| Assay | 97% |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (9-Butyl-9-fluorenyl)dicyclohexylphosphonium tetrafluoroborate primarily used for?
+
This compound is primarily used as a chiral ligand in asymmetric synthesis and organometallic catalysis to facilitate the enantioselective synthesis of complex organic molecules and pharmaceutical intermediates.
What are the CAS number and molecular formula for this compound?
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The CAS number is 1007311-98-9 and the molecular formula is C29H40BF4P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with a minimum assay of 97%. We do not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated.
How should (9-Butyl-9-fluorenyl)dicyclohexylphosphonium tetrafluoroborate be handled safely?
+
Handle with appropriate personal protective equipment including a dust mask (N95 type US), eyeshields, and gloves. Ensure adequate ventilation to avoid inhalation of dust. Avoid contact with skin, eyes, and clothing. It is classified as a Warning compound, with hazards including skin irritation (H315), eye irritation (H319), and respiratory tract irritation (H335).
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions offers professional packaging and global export services for this chemical, adhering to all relevant shipping regulations for hazardous materials.
How can I request a sample or a quote?
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Please contact our sales team via the website or direct email to request a sample or obtain a quotation for (9-Butyl-9-fluorenyl)dicyclohexylphosphonium tetrafluoroborate.
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