Sodium octyl sulfate
Sodium octyl sulfate (CAS: 142-31-4, Formula: CH3(CH2)7OSO3Na) is an anionic surfactant with a molecular weight of 232.27 g/mol. Supplied by Tech Serve Solutions, it is characterised as an anionic detergent and is notably used as a crucial reagent in ion-pair chromatography. Its specific properties make it valuable for analytical applications requiring precise separation and detection.
- IUPAC
- Octyl sulfate sodium salt
- Synonyms
- Octyl sulfate sodium salt
Ion-Pair Chromatography Reagent
Sodium octyl sulfate is employed as a cation-pairing reagent in reversed-phase HPLC. It enhances the retention and separation of ionic analytes by forming neutral ion pairs in the mobile phase.
Analytical Applications
This compound serves as a standard for various analytical tests, including RP gradient and filter tests, due to its consistent purity and predictable behaviour in chromatographic systems.
Detergent and Surfactant Use
As an anionic surfactant, Sodium octyl sulfate can be utilised in formulations requiring effective detergency and emulsification properties, consistent with its classification as an anionic detergent.
| Molecular weight | 232.27 |
|---|---|
| Linear formula | CH3(CH2)7OSO3Na |
| Assay | ≥99.0% (T) |
| Grade | for ion pair chromatography |
| Suitability | corresponds to standard for RP gradient testcorresponds to standard for filter test |
| Melting point | 195 °C (dec.)(lit.) |
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 | anionic |
|---|---|
| λ | 10 % in H2O |
| Uv Absorption | λ: 210 nm Amax: 0.1λ: 220 nm Amax: 0.06λ: 230 nm Amax: 0.04λ: 260 nm Amax: 0.02λ: 500 nm Amax: 0.02 |
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 Sodium octyl sulfate used for?
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Sodium octyl sulfate is primarily used as an ion-pair reagent in chromatography, particularly for the separation of ionic compounds in HPLC. It also finds application in various analytical procedures and as an anionic detergent.
What are the CAS number and chemical formula for Sodium octyl sulfate?
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The CAS number for Sodium octyl sulfate is 142-31-4, and its chemical formula is CH3(CH2)7OSO3Na.
What grade and purity does Tech Serve Solutions supply for Sodium octyl sulfate?
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Tech Serve Solutions supplies Sodium octyl sulfate with an assay of ≥99.0% (T) and a grade suitable for ion pair chromatography. We do not represent this product as USP, BP, or EP grade.
How should Sodium octyl sulfate be handled safely?
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Sodium octyl sulfate is classified as a skin, eye, and respiratory irritant (H315, H319, H335). When handling, ensure adequate ventilation and wear appropriate personal protective equipment including a dust mask (N95), eyeshields, and gloves.
Is Sodium octyl sulfate a controlled substance?
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Based on the provided data, Sodium octyl sulfate is not indicated as a controlled substance.
How is Sodium octyl sulfate packed, shipped, and exported?
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Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging and adherence to international shipping regulations for all chemical products, including Sodium octyl sulfate.
How can I request a sample or quote for Sodium octyl sulfate?
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To request a sample or quote for Sodium octyl sulfate, please contact our sales team via the website or direct inquiry channels provided by Tech Serve Solutions.
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