Dimethyldecylphosphine oxide
Dimethyldecylphosphine oxide (CAS: 2190-95-6), with the chemical formula CH3(CH2)9P(O)(CH3)2, is a non-ionic detergent. It is recognised for its utility in biochemical research, particularly in plasmid DNA isolation. This compound exhibits amphipathic properties, contributing to its effectiveness in various laboratory applications requiring solubilization and separation of biological molecules. TSS offers this reagent for research and development purposes.
- IUPAC
- APO-10,Decyldimethylphosphine oxide
- Synonyms
- APO-10,Decyldimethylphosphine oxide

Plasmid DNA Isolation
Dimethyldecylphosphine oxide serves as a non-ionic detergent, aiding in the purification of plasmid DNA in molecular biology protocols. Its properties facilitate cell lysis and the subsequent separation of DNA from cellular contaminants.
Membrane Protein Solubilization
As a non-ionic detergent, it can be employed in the solubilization of membrane proteins. This application is crucial for biochemical studies requiring the isolation and analysis of integral membrane proteins from their native lipid environments.
Biochemical Reagent
This compound functions as a versatile biochemical reagent. Its amphipathic nature makes it suitable for various laboratory procedures where detergents are needed to maintain the solubility or integrity of biological samples.
| Molecular weight | 218.32 |
|---|---|
| Linear formula | CH3(CH2)9P(O)(CH3)2 |
| Assay | ≥98.0% (GC) |
| Application | Non-ionic detergent useful for plasmid DNA isolation1 |

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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | non-ionic |
|---|---|
| Mol Wt | micellar avg mol wt 28,597 |
| λ | 1 % in H2O |
| Uv Absorption | λ: 260 nm Amax: 0.05λ: 280 nm Amax: 0.05 |
| Aggregation Number | 131 |
| Cmc | 4.6 mM(20-25°C) |
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 Dimethyldecylphosphine oxide primarily used for?
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Dimethyldecylphosphine oxide is primarily used as a non-ionic detergent in biochemical applications, notably for plasmid DNA isolation and the solubilization of membrane proteins.
What is the CAS number and chemical formula for Dimethyldecylphosphine oxide?
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The CAS number for Dimethyldecylphosphine oxide is 2190-95-6, and its chemical formula is CH3(CH2)9P(O)(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dimethyldecylphosphine oxide with an assay of ≥98.0% (GC). This product is intended for research purposes and is not represented as USP, BP, EP, or pharmaceutical grade.
How should Dimethyldecylphosphine oxide be handled safely?
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Handle Dimethyldecylphosphine oxide with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation, as it may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Avoid breathing dust.
How is this chemical supplied and exported by TSS?
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Tech Serve Solutions, a specialist global supplier and exporter, provides Dimethyldecylphosphine oxide for various research and industrial needs. Specific packaging and export details are available upon request.
How can I request a sample or quote for Dimethyldecylphosphine oxide?
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To request a sample or a quote for Dimethyldecylphosphine oxide, please contact our sales team through the details provided on the Tech Serve Solutions website.
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