Tributylmethylammonium methyl sulfate
Tributylmethylammonium methyl sulfate (CAS: 13106-24-6; Formula: C14H33NO4S; Molar Mass: 311.48 g/mol) is a quaternary ammonium salt. Supplied by Tech Serve Solutions, it is a recognised Basionic® ionic liquid with applications in chemical synthesis. Its properties make it valuable as a phase transfer catalyst and in specialty synthesis processes.
- IUPAC
- Basionics® ST 62,Methyltributylammonium methyl sulfate

Phase Transfer Catalysis
As a quaternary ammonium salt, Tributylmethylammonium methyl sulfate functions effectively as a phase transfer catalyst. It facilitates reactions between reactants in immiscible phases by transferring reactive anions into the organic phase, enhancing reaction rates and yields.
Ionic Liquids
This compound is classified as a Basionic® ionic liquid. Ionic liquids possess unique properties such as low vapour pressure and high thermal stability, making them suitable as environmentally benign reaction media and electrolytes in various chemical synthesis applications.
Specialty Chemical Synthesis
Tributylmethylammonium methyl sulfate serves as a reagent and catalyst in diverse specialty synthesis pathways. Its specific ionic structure allows for tailored applications in organic chemistry, contributing to the development of novel compounds and materials.
| Molecular weight | 311.48 |
|---|---|
| Empirical formula | C14H33NO4S |
| Assay | ≥95% |
| Grade | produced by BASF |
| Impurities tested | ≤0.5% water |
| Application | Basionic Ionic Liquids |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 179 °C / 354.2 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
| Anion traces | chloride (Cl-): ≤30 mg/kg |
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 Tributylmethylammonium methyl sulfate used for?
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Tributylmethylammonium methyl sulfate (CAS: 13106-24-6) is utilised as a phase transfer catalyst and as a component in specialty chemical synthesis, notably as a Basionic® ionic liquid.
What are the CAS number and formula for Tributylmethylammonium methyl sulfate?
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The CAS number for Tributylmethylammonium methyl sulfate is 13106-24-6, and its molecular formula is C14H33NO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tributylmethylammonium methyl sulfate with an assay of ≥95% and a specified impurity of ≤0.5% water. It is produced by BASF and designated as Basionics® ST 62.
What are the safety considerations when handling Tributylmethylammonium methyl sulfate?
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Tributylmethylammonium methyl sulfate is classified with a GHS07 symbol and a Warning signal word. It causes serious eye irritation (H319). Recommended personal protective equipment includes eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Ensure proper ventilation and avoid contact with eyes, skin, and clothing. Refer to the Safety Data Sheet for full handling instructions.
How is Tributylmethylammonium methyl sulfate packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packing and shipping details for Tributylmethylammonium methyl sulfate are available upon request, adhering to international transport regulations.
How can I request a sample or quote for Tributylmethylammonium methyl sulfate?
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To request a sample or a quote for Tributylmethylammonium methyl sulfate, please contact our sales team through the website or by phone, providing your specific requirements.
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