Tetrapropylammonium iodide
Tetrapropylammonium iodide (CAS 631-40-3) is a quaternary ammonium salt with the linear formula (CH\[CH\]CH\[CH\]CH\[CH\])4N(I). Possessing a molecular weight of 313.26 g/mol, it functions primarily as a phase transfer catalyst in chemical synthesis. This reagent facilitates reactions between reactants in different phases, improving yields and reaction rates in various organic transformations. Its utility spans diverse synthetic applications within research and industrial settings.

Phase Transfer Catalysis
Tetrapropylammonium iodide is widely employed as a phase transfer catalyst. It effectively transfers anions from an aqueous or solid phase to an organic phase, enabling reactions between immiscible reactants.
Organic Synthesis
This compound serves as a versatile reagent in various organic synthesis protocols. It is used to promote alkylation, oxidation, and reduction reactions, contributing to the formation of complex organic molecules.
Chemical Research
In research laboratories, Tetrapropylammonium iodide is utilised for exploring novel synthetic pathways and optimising existing chemical processes. Its catalytic properties make it valuable for academic and industrial R&D.
| Molecular weight | 313.26 |
|---|---|
| Linear formula | (CH3CH2CH2)4N(I) |
| Assay | ≥98% |
| Melting point | 280-285 °C (dec.)(lit.) |

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) | 26-36 |
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 Tetrapropylammonium iodide used for?
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Tetrapropylammonium iodide is primarily used as a phase transfer catalyst in organic synthesis to facilitate reactions between reactants in different phases.
What is the CAS number and chemical formula for Tetrapropylammonium iodide?
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The CAS number is 631-40-3 and the linear formula is (CH\[CH\]CH\[CH\]CH\[CH\])4N(I).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrapropylammonium iodide with an assay of ≥98%. This product is not intended for pharmaceutical, food, or any other regulated use unless explicitly stated.
How should Tetrapropylammonium iodide be handled safely?
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Tetrapropylammonium iodide is classified as an irritant. When handling, wear appropriate personal protective equipment including eyeshields, gloves, and a dust mask (type N95 US). Avoid breathing dust and ensure adequate ventilation. Consult the Safety Data Sheet (SDS) for detailed handling information.
Is Tetrapropylammonium iodide a controlled substance?
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Based on the provided data, Tetrapropylammonium iodide is not listed as a controlled substance.
How is Tetrapropylammonium iodide packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details for Tetrapropylammonium iodide can be provided upon request, adhering to international shipping regulations.
How can I request a sample or quote for Tetrapropylammonium iodide?
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To request a sample or a quote for Tetrapropylammonium iodide, please contact our sales department through the website or by phone.
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