Tributylmethylammonium chloride
Tributylmethylammonium chloride (CAS: 56375-79-2) is a quaternary ammonium salt with the linear formula (CH3CH2CH2CH2)3N(Cl)CH3 and a molecular weight of 235.84 g/mol. It functions as a phase transfer catalyst and is utilised in various chemical synthesis applications. This compound is recognised for its utility in organic chemistry, facilitating reactions between immiscible phases, and is available from Tech Serve Solutions in a concentration of 75 wt. % in water.
- IUPAC
- Methyltributylammonium chloride
- Synonyms
- Methyltributylammonium chloride

Phase Transfer Catalysis
Tributylmethylammonium chloride acts as an effective phase transfer catalyst, enabling reactions between reactants located in different immiscible phases, thereby increasing reaction rates and yields. It is particularly useful in nucleophilic substitution reactions and alkylations.
Chemical Synthesis
This quaternary ammonium salt serves as a versatile reagent in organic synthesis. Its properties make it suitable for facilitating a range of transformations, including the synthesis of complex organic molecules and intermediates.
Ionic Liquid Precursor
While primarily known as a catalyst, compounds like Tributylmethylammonium chloride can sometimes serve as precursors or components in the formulation of ionic liquids due to their ionic nature.
| Molecular weight | 235.84 |
|---|---|
| Linear formula | (CH3CH2CH2CH2)3N(Cl)CH3 |
| Assay | ≥98.0% (T) |
| Boiling point | 152 °C |
| Density | 0.964 g/mL at 25 °C |
| Refractive index | n20/D 1.4682 |
| Concentration | 75 wt. % in H2O |
| Vapour pressure | 7.9 mmHg (25 °C) |

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 Tributylmethylammonium chloride used for?
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Tributylmethylammonium chloride is primarily used as a phase transfer catalyst in chemical synthesis, facilitating reactions between immiscible phases.
What is the CAS number and chemical formula for Tributylmethylammonium chloride?
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The CAS number is 56375-79-2, and the linear formula is (CH3CH2CH2CH2)3N(Cl)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tributylmethylammonium chloride with an assay of ≥98.0% (T). This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Tributylmethylammonium chloride be handled safely?
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Tributylmethylammonium chloride is classified as a Warning with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use with adequate ventilation, wear eye shields, gloves, and a dust mask type N95 (US). Avoid breathing dust/fume/gas/mist/vapours/spray (P261) and in case of contact with eyes, rinse cautiously with water for several minutes (P305 + P351 + P338).
Is Tributylmethylammonium chloride a controlled substance?
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Based on the provided data, there is no indication that Tributylmethylammonium chloride is a controlled or scheduled substance.
How is Tributylmethylammonium chloride typically supplied and exported?
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Tributylmethylammonium chloride is typically supplied as a solution, such as 75 wt. % in H2O, and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample for Tributylmethylammonium chloride?
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To request a quote or sample of Tributylmethylammonium chloride, please contact our sales team through the Tech Serve Solutions website or by calling our customer service number.
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