Hexadecyltrimethylammonium hydroxide hydrate
Hexadecyltrimethylammonium hydroxide hydrate (CAS: 505-86-2) is a quaternary ammonium compound with the formula CH3(CH2)15N(OH)(CH3)3 · xH2O. Possessing a molecular weight of 301.55 on an anhydrous basis, this chemical functions as a strong organic base. It is primarily utilised in chemical synthesis and as a reagent in various organic reactions where a potent, sterically hindered base is required.
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Organic Synthesis
Serves as a potent organic base in various synthetic transformations. Its quaternary ammonium structure facilitates its use in phase-transfer catalysis and as a reagent for deprotonation reactions.
Phase-Transfer Catalysis
Can act as a phase-transfer catalyst due to its amphiphilic nature, aiding in reactions between immiscible aqueous and organic phases.
Reagent in Chemical Reactions
Employed as a reactive species in specific organic chemistry processes requiring a strong hydroxide source, particularly in non-aqueous systems where its solubility characteristics are advantageous.
| Molecular weight | 301.55 (anhydrous basis) |
|---|---|
| Linear formula | CH3(CH2)15N(OH)(CH3)3 · xH2O |
| Assay | ≥98.0% (calc. based on dry substance, T) |
| Storage temperature | 2-8°C |
| Impurities tested | ≤0.1% halogenides (as chloride)~15% water |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3263 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 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 Hexadecyltrimethylammonium hydroxide hydrate used for?
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Hexadecyltrimethylammonium hydroxide hydrate is primarily used in organic synthesis as a strong organic base and in phase-transfer catalysis. It acts as a reagent in chemical reactions requiring a potent hydroxide source.
What are the CAS number and formula for Hexadecyltrimethylammonium hydroxide hydrate?
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The CAS number for the anhydrous form is 505-86-2. The linear formula is CH3(CH2)15N(OH)(CH3)3 · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Hexadecyltrimethylammonium hydroxide hydrate with an assay of ≥98.0% (calculated based on dry substance, T). This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should Hexadecyltrimethylammonium hydroxide hydrate be handled safely?
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This compound is corrosive and can cause severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection, must be worn. Handle in a well-ventilated area and follow all safety precautions listed in the Safety Data Sheet.
How is Hexadecyltrimethylammonium hydroxide hydrate packed, shipped, and exported?
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We ensure secure packing suitable for hazardous materials (UN 3263 8 / PGIII) for domestic and international shipment, adhering to all relevant transport regulations. Consult our logistics team for specific export details.
How can I request a sample or a quote for Hexadecyltrimethylammonium hydroxide hydrate?
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To request a sample or obtain a quote, please contact our sales department via the website enquiry form or direct email, specifying the product name and quantity required.
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