3-Butynyl p-toluenesulfonate
3-Butynyl p-toluenesulfonate (CAS: 23418-85-1), with the molecular formula C11H12O3S and a molecular weight of 224.28 g/mol, is a versatile organic building block. It is primarily used in chemical synthesis and organic chemistry research for the introduction of the 3-butynyl group. This tosylate derivative offers a reactive alkyne and a good leaving group, facilitating various synthetic transformations.
Organic Synthesis Intermediate
3-Butynyl p-toluenesulfonate serves as a key intermediate in the synthesis of complex organic molecules. Its structure allows for participation in reactions such as alkylations and cross-coupling processes.
Alkyne Functionalisation
The terminal alkyne moiety enables a range of click chemistry and other alkyne-specific functionalization reactions. This is valuable in medicinal chemistry and materials science.
Research and Development
This compound is utilised in academic and industrial R&D laboratories for exploring new synthetic routes and developing novel chemical entities.
| Molecular weight | 224.28 |
|---|---|
| Linear formula | CH3C6H4SO3CH2CH2C≡CH |
| Assay | 96% |
| Density | 1.27 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.519(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 3-Butynyl p-toluenesulfonate used for?
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3-Butynyl p-toluenesulfonate is primarily used as a building block in organic synthesis and chemical research for introducing the 3-butynyl functional group and in alkyne functionalisation reactions.
What is the CAS number and formula for 3-Butynyl p-toluenesulfonate?
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The CAS number is 23418-85-1 and the linear formula is CH3C6H4SO3CH2CH2C≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Butynyl p-toluenesulfonate with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling 3-Butynyl p-toluenesulfonate?
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3-Butynyl p-toluenesulfonate is classified as a Warning substance (GHS07) with hazard statements H315, H319, and H335, indicating it can cause skin irritation, serious eye irritation, and respiratory irritation. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used. Always consult the Safety Data Sheet (SDS) before handling.
How is 3-Butynyl p-toluenesulfonate packed, shipped, and exported?
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3-Butynyl p-toluenesulfonate is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical substances.
How can I request a sample or quote for 3-Butynyl p-toluenesulfonate?
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To request a sample or a quote for 3-Butynyl p-toluenesulfonate, please contact our sales team through the website or by phone.
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