4-(Triphenylphosphonio)butane-1-sulfonate

CAS 164982-05-2C22H23O3PSCatalysis & Inorganic

4-(Triphenylphosphonio)butane-1-sulfonate (CAS: 164982-05-2) is a specialised organic compound with the molecular formula C22H23O3PS. It serves as a crucial reactant in advanced chemical synthesis, particularly for the preparation of novel sulfonyl-functionalised ionic liquids and complex prostaglandins bearing a sulfo group. Its phosphine compound structure makes it valuable in catalysis and inorganic chemistry research.

IUPAC: Triphenyl-(4-sulfo-butyl)-phosphonium inner salt

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4-(Triphenylphosphonio)butane-1-sulfonate (C22H23O3PS) — chemical structure, CAS 164982-05-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisPhosphine CompoundsPhosphine Ligands

01 /Applications

Synthesis of Sulfonyl-Functionalised Ionic Liquids

Utilised as a key reactant for creating ionic liquids that incorporate sulfonyl functionalities, expanding the scope of materials for various chemical applications.

Preparation of Sulfo-Group Containing Prostaglandins

Employed in synthetic pathways to produce prostaglandins that feature a sulfo group, relevant for biochemical and pharmaceutical research.

Research in Catalysis and Inorganic Chemistry

As a phosphine-based compound, it finds applications as a ligand or precursor in catalytic processes and inorganic synthesis.

02 /Properties

Molecular weight	398.46
Empirical formula	C22H23O3PS
Assay	≥98.5% (HPLC)99%
Impurities tested	≤0.5% water
Application	Reactant for synthesis of:• Sulfonyl-functionalized ionic liquids1• Prostaglandins containing a sulfo group2

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

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
Anion traces	bromide (Br-): ≤10 mg/kgchloride (Cl-): ≤100 mg/kgfluoride (F-): ≤10 mg/kgnitrate (NO3-): ≤10 mg/kgphosphate (PO43-): ≤10 mg/kgsulfate (SO42-): ≤10 mg/kg

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

164982-05-2

Beilstein registry

4018406

05 /Quality & supply

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.

06 /Frequently asked questions

What is 4-(Triphenylphosphonio)butane-1-sulfonate used for?

This compound is primarily used as a reactant in the synthesis of sulfonyl-functionalised ionic liquids and prostaglandins containing a sulfo group. It is also applied in catalysis and inorganic chemistry research.

What is the CAS number and formula for 4-(Triphenylphosphonio)butane-1-sulfonate?

The CAS number is 164982-05-2, and its molecular formula is C22H23O3PS.

What is the purity or grade of this chemical?

The product has an assay of ≥98.5% by HPLC, with a purity of 99%. It contains ≤0.5% water. This is a research or technical grade chemical.

What are the safety hazards associated with this chemical?

This compound is classified as a Warning, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment such as a dust mask (N95), eyeshields, and gloves should be used.