S-Butyl chlorothioformate
S-Butyl chlorothioformate (CAS: 13889-94-6) is an organic sulfur compound with the molecular formula CH3(CH2)3SCOCl and a molecular weight of 152.64. This thioester derivative functions as a versatile building block in organic synthesis. It is characterised by its refractive index of n20/D 1.479 and a boiling point of 49 °C/0.7 mmHg. S-Butyl chlorothioformate is primarily utilised in chemical synthesis and the preparation of various organic intermediates.
- IUPAC
- (Butylthio)carbonyl chloride
Organic Synthesis Reagent
S-Butyl chlorothioformate serves as a valuable intermediate in organic chemistry. It can be employed for the introduction of the butylthiocarbonyl group into various molecules, facilitating the construction of complex organic structures.
Building Block for Heterocycles
This compound can be utilised as a precursor in the synthesis of sulfur-containing heterocyclic compounds. Its reactivity allows for participation in cyclisation reactions, leading to novel ring systems.
Pharmaceutical Intermediate Synthesis
In the pharmaceutical sector, S-Butyl chlorothioformate may act as a starting material or intermediate for the synthesis of active pharmaceutical ingredients (APIs) or their precursors, particularly those incorporating thioester functionalities.
| Molecular weight | 152.64 |
|---|---|
| Linear formula | CH3(CH2)3SCOCl |
| Assay | 96% |
| Boiling point | 49 °C/0.7 mmHg |
| Density | 0.985 g/mL |
| Refractive index | n20/D 1.479 |
Hazard statements
- H302Harmful if swallowed
- 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 |
|---|---|
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 S-Butyl chlorothioformate used for?
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S-Butyl chlorothioformate is primarily used as a building block and reagent in organic synthesis, including the preparation of sulfur-containing heterocycles and pharmaceutical intermediates.
What is the CAS number and formula for S-Butyl chlorothioformate?
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The CAS number is 13889-94-6, and the linear formula is CH3(CH2)3SCOCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies S-Butyl chlorothioformate with a minimum assay of 96%. This product is supplied for laboratory and research purposes and is not represented as meeting USP, BP, EP, or other pharmacopoeia standards.
How should S-Butyl chlorothioformate be handled?
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S-Butyl chlorothioformate is classified as corrosive and harmful if swallowed (H302, H314). Handle with appropriate personal protective equipment, including gloves, goggles, a face shield, and respiratory protection. Ensure adequate ventilation.
How is S-Butyl chlorothioformate packed, shipped, and exported?
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Products are carefully packed according to international shipping regulations. Tech Serve Solutions is experienced in exporting chemicals globally.
How can I request a sample or quote for S-Butyl chlorothioformate?
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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 (13889-94-6).
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