N,N-Dimethyldecylamine N-oxide
N,N-Dimethyldecylamine N-oxide (CAS: 2605-79-0) is a non-ionic surfactant with the linear formula CH3(CH2)9N(O)(CH3)2. Possessing a molecular weight of 201.35 g/mol, this chemical is characterised by its mild detergency and foaming properties. It is commonly employed as a laboratory reagent and finds applications in various analytical and biochemical processes, including peptide analysis and crystallization.
- IUPAC
- DDAO
- Synonyms
- CH3(CH2)9N(O)(CH3)2DDAO

Analytical Standards
Utilised as a reference standard in analytical chemistry and chromatography, ensuring accuracy and reliability in experimental results.
Biochemical Reagent
Serves as a reagent in biochemical research and applications, particularly in areas such as peptide analysis and characterization.
Detergent Applications
Functions as a non-ionic detergent, suitable for use in laboratory settings for cleaning and other applications requiring mild surfactant properties.
Crystallization Aid
Employed as a crystallization reagent, potentially aiding in the formation and purification of crystalline structures in research.
| Molecular weight | 201.35 |
|---|---|
| Linear formula | CH3(CH2)9N(O)(CH3)2 |
| Assay | ≥99.0% (NT) |
| Density | 0.996 g/mL at 20 °C |
| Refractive index | n20/D 1.337 |
| pH | 7.0-8.5 (25 °C, 0.1 M in H2O) |
| Concentration | 0.1 M in H2O |
| Storage temperature | 2-8°C |
| Impurities tested | ≤0.03% peroxides (as H2O2) |

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 |
| Cation traces | Ca: ≤500 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgK: ≤50 mg/kgMg: ≤50 mg/kgMn: ≤5 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | sulfate (SO42-): ≤50 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | non-ionic |
|---|---|
| Uv Absorption | λ: 260 nm Amax: 0.05λ: 280 nm Amax: 0.04 |
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 N,N-Dimethyldecylamine N-oxide used for?
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N,N-Dimethyldecylamine N-oxide is used as a non-ionic detergent, a reagent in biochemical research, particularly for peptide analysis, and as a crystallization reagent. It also serves as an analytical standard.
What is the CAS number and formula for N,N-Dimethyldecylamine N-oxide?
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The CAS number is 2605-79-0 and the linear formula is CH3(CH2)9N(O)(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N,N-Dimethyldecylamine N-oxide with an assay of ≥99.0% (NT). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated in the product data.
How should N,N-Dimethyldecylamine N-oxide be handled safely?
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Handle with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation as it may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is N,N-Dimethyldecylamine N-oxide available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including N,N-Dimethyldecylamine N-oxide, and can facilitate international orders.
How can I request a quote or sample for N,N-Dimethyldecylamine N-oxide?
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Please contact our sales team through the website to request a quote or a sample for N,N-Dimethyldecylamine N-oxide.
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