1-Butyl-3-methylimidazolium octyl sulfate
1-Butyl-3-methylimidazolium octyl sulfate (CAS: 445473-58-5; Formula: C16H32N2O4S) is an ionic liquid with a molecular weight of 348.50. This compound finds application in various chemical synthesis processes, particularly within specialised areas like imidazolium-based reactions and the broader field of ionic liquids. Its unique properties make it a valuable reagent for researchers and industrial chemists seeking specific reaction environments.
- IUPAC
- BMIM OSU

Chemical Synthesis
This ionic liquid serves as a versatile medium or reagent in organic synthesis. Its properties can influence reaction kinetics, selectivity, and product yields in various transformations.
Ionic Liquid Applications
As a member of the ionic liquid family, it can be explored for applications such as electrolytes, solvents for catalysis, or in separation technologies due to its low vapour pressure and tunable properties.
Specialty Synthesis
Its specific structure may lend itself to niche applications in specialty chemical production where tailored solvent or catalytic properties are required.
| Molecular weight | 348.50 |
|---|---|
| Empirical formula | C16H32N2O4S |
| Assay | ≥95.0% (HPLC) |
| Impurities tested | ≤10% water |

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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 1-Butyl-3-methylimidazolium octyl sulfate used for?
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1-Butyl-3-methylimidazolium octyl sulfate is used in chemical synthesis, particularly within the domain of ionic liquids and specialty reactions.
What is the CAS number and formula for 1-Butyl-3-methylimidazolium octyl sulfate?
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The CAS number is 445473-58-5 and the empirical formula (Hill notation) is C16H32N2O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Butyl-3-methylimidazolium octyl sulfate with an assay of ≥95.0% (HPLC). Impurities include ≤10% water. This is not supplied as a USP, BP, or EP grade.
What are the safety and handling precautions for this compound?
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This compound is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator if exposure is likely.
How is 1-Butyl-3-methylimidazolium octyl sulfate packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with all relevant international regulations. Specific packaging details are available upon request.
How can I request a sample or a quote for 1-Butyl-3-methylimidazolium octyl sulfate?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number.
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