2-Butyn-1-yl chloroformate
2-Butyn-1-yl chloroformate (CAS: 202591-85-3) is a chemical compound with the linear formula ClCO₂CH₂C≡CCH₃ and a molecular weight of 132.55 g/mol. As an acid halide and organic building block, it serves as a valuable intermediate in chemical synthesis. Its reactivity makes it suitable for introducing the 2-butyn-1-yloxycarbonyl group into various molecules, facilitating the construction of complex organic structures.
Organic Synthesis Intermediate
2-Butyn-1-yl chloroformate acts as a versatile building block in the synthesis of diverse organic molecules. It is employed to introduce specific functional groups, aiding in the construction of more complex chemical entities for research and development.
Reagent in Esterification and Acylation
This compound can be utilised in esterification and acylation reactions. Its chloroformate moiety readily reacts with alcohols, amines, and other nucleophiles to form corresponding carbonates, carbamates, and other derivatives.
Development of Novel Compounds
Researchers utilise 2-Butyn-1-yl chloroformate in the exploration and development of new chemical entities. Its unique structure, featuring both an alkyne and a chloroformate group, offers synthetic flexibility for creating innovative compounds.
| Molecular weight | 132.55 |
|---|---|
| Linear formula | ClCO2CH2C≡CCH3 |
| Assay | 98% |
| Boiling point | 156 °C(lit.) |
| Density | 1.169 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.452(lit.) |
Hazard statements
- H226Flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 60 °C / 140 °F |
| Transport (UN / ADR) | UN 3390 6.1/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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 2-Butyn-1-yl chloroformate used for?
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2-Butyn-1-yl chloroformate is primarily used as an intermediate and building block in organic synthesis for the creation of more complex molecules and in esterification and acylation reactions.
What are the CAS number and chemical formula for 2-Butyn-1-yl chloroformate?
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The CAS number is 202591-85-3, and its linear formula is ClCO₂CH₂C≡CCH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Butyn-1-yl chloroformate with a minimum assay of 98%. This is a technical grade suitable for research and chemical synthesis, and TSS does not represent it as USP, BP, or EP grade.
How should 2-Butyn-1-yl chloroformate be handled safely?
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2-Butyn-1-yl chloroformate is a Danger material, flammable (H226) and causes severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment, including gloves, goggles, face shields, and a suitable respirator. Ensure adequate ventilation and avoid ignition sources.
Is 2-Butyn-1-yl chloroformate a controlled substance?
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The provided data does not indicate that 2-Butyn-1-yl chloroformate is a controlled substance.
How is 2-Butyn-1-yl chloroformate packed and shipped?
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As per the safety data, it is classified under UN 3390, Class 6.1, Packing Group I. Shipping and handling adhere to regulations for hazardous materials, with appropriate packaging and documentation for global export by TSS.
How can I request a quote or sample for 2-Butyn-1-yl chloroformate?
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To request a quote or sample, please contact our sales team through the website or direct inquiry channels. Provide your contact details and the specific quantity required.
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