Tetrakis(decyl)ammonium hydroxide solution
Tetrakis(decyl)ammonium hydroxide solution (CAS: 57340-65-5, Formula: [CH3(CH2)9]4N(OH)) is a quaternary ammonium compound recognised for its strong basic properties. As a potent organic base, it is primarily employed as a reagent in chemical synthesis. Its solution in methanol is handled with care due to its flammable and corrosive nature. Tech Serve Solutions supplies this chemical for research and industrial applications where a reliable source of this specific hydroxide is required.
- IUPAC
- Tetra-decylammonium hydroxide
![Tetrakis(decyl)ammonium hydroxide solution ([CH3(CH2)9]4N(OH)) — chemical structure, CAS 57340-65-5; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F57340-65-5.png&w=3840&q=75)
Organic Synthesis Reagent
Utilised as a strong base in various organic transformations, facilitating reactions such as deprotonation and nucleophilic substitutions. Its tetradecyl chains provide significant lipophilicity.
Phase Transfer Catalyst Component
While not a catalyst itself, it can be used in the preparation or as a precursor for quaternary ammonium phase transfer catalysts, aiding in the transfer of reactive anions between immiscible phases.
Research and Development
A key compound in laboratory settings for exploring new synthetic routes and chemical processes requiring a non-nucleophilic, sterically hindered strong base.
| Molecular weight | 596.11 |
|---|---|
| Linear formula | [CH3(CH2)9]4N(OH) |
| Concentration | ~10% in methanol (T) |
| Storage temperature | 2-8°C |
| Impurities tested | ≤0.01% halides (as bromide) |




Hazard statements
- H225Highly flammable liquid and vapour
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
- H370Causes damage to organs
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 11 °C / 51.8 °F |
| Transport (UN / ADR) | UN 3286 3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,T |
| Risk statements (R) | 11-23/24/25-34-39/23/24/25 |
| Safety statements (S) | 16-26-36/37/39-45 |
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 Tetrakis(decyl)ammonium hydroxide solution used for?
+
Tetrakis(decyl)ammonium hydroxide solution is primarily used as a strong organic base in chemical synthesis and research and development applications.
What is the CAS number and formula for Tetrakis(decyl)ammonium hydroxide solution?
+
The CAS number is 57340-65-5, and the linear formula is [CH3(CH2)9]4N(OH).
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this product as a solution in methanol with a concentration of approximately 10%. It has an impurity limit of ≤0.01% halides (as bromide). We do not represent this product as USP, BP, or EP grade.
How should Tetrakis(decyl)ammonium hydroxide solution be handled safely?
+
This solution is highly flammable and corrosive. It causes severe skin burns and eye damage and is toxic if swallowed, in contact with skin, or if inhaled. Always handle with appropriate personal protective equipment, including gloves, goggles, and face shields, and ensure adequate ventilation in a well-equipped laboratory.
How is Tetrakis(decyl)ammonium hydroxide solution packed, shipped, and exported?
+
Tetrakis(decyl)ammonium hydroxide solution is packed in compliance with UN 3286 3/PG 2 regulations for transport. We are experienced global exporters of fine chemicals, pharmaceutical intermediates, and laboratory reagents.
How can I request a sample or quote for Tetrakis(decyl)ammonium hydroxide solution?
+
Please contact our sales team directly via phone or email to request a sample or a personalised quote for your specific requirements.
▶ Related products

5-Sulfosalicylic acid dihydrate
HO3SC6H3-2-(OH)CO2H 2H2O
Acids & Bases
Calcium hydroxide
Ca(OH)2
Acids & Bases
Acetic acid-12C2
12CH312CO2H
Acids & Bases
Acetic acid-13C2
13CH313CO2H
Acids & Bases
Acetic acid-13C2,d4
Acids & Bases

Acetic acid-17O2
CH3C17O2H
Acids & Bases
Acetic acid-18O2
CH3C18O2H
Acids & Bases
Acetic acid-2,2,2-d3
2-d3
Acids & Bases▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis