S-Propyl chlorothioformate
S-Propyl chlorothioformate (CAS 13889-92-4) is a sulfur-containing organic compound with the linear formula CH 3 CH 2 CH 2 SCOCl and a molecular weight of 138.62 g/mol. This chemical serves as a valuable building block in organic synthesis and chemical manufacturing. Its reactive nature makes it useful in introducing the S-propylthio-carbonyl group into various molecules, finding application in specialised chemical research and development endeavours.
- IUPAC
- (Propylthio)carbonyl chloride,S-Propyl thiochloroformate
- Synonyms
- (Propylthio)carbonyl chlorideS-Propyl thiochloroformate

Organic Synthesis Intermediate
S-Propyl chlorothioformate is employed as a key intermediate in complex organic syntheses. It facilitates the introduction of the S-propylthio-carbonyl moiety into target molecules, enabling the construction of more elaborate chemical structures for research purposes.
Chemical Research Reagent
This compound is utilised as a reagent in academic and industrial research laboratories. Its specific reactivity is leveraged in exploring new synthetic pathways and developing novel chemical entities.
Building Block for Specialty Chemicals
As an organic building block, S-Propyl chlorothioformate contributes to the synthesis of specialty chemicals. Its unique structure allows for its incorporation into diverse molecular frameworks.
| Molecular weight | 138.62 |
|---|---|
| Linear formula | CH3CH2CH2SCOCl |
| Assay | 96% |
| Boiling point | 37 °C/8 mmHg |
| Density | 1.149 g/mL at 25 °C |
| Refractive index | n20/D 1.4807 |
| Storage temperature | 2-8°C |



Hazard statements
- H226Flammable liquid and vapour
- 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 |
|---|---|
| Flash point | 48 °C / 118.4 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-22-34 |
| Safety statements (S) | 28-36/37/39-45 |
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-Propyl chlorothioformate used for?
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S-Propyl chlorothioformate is primarily used as a building block in organic synthesis and as a reagent in chemical research for introducing the S-propylthio-carbonyl group into molecules.
What are the CAS number and formula for S-Propyl chlorothioformate?
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The CAS number is 13889-92-4, and its linear formula is CH 3 CH 2 CH 2 SCOCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies S-Propyl chlorothioformate with an assay of 96%. This is a technical grade product and is not represented as USP, BP, or EP.
How should S-Propyl chlorothioformate be handled safely?
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S-Propyl chlorothioformate is a flammable liquid that is harmful if swallowed and causes severe skin burns and eye damage. Handle with extreme care in a well-ventilated area, wearing appropriate personal protective equipment including gloves, eye protection, and respiratory protection. Store at 2-8°C.
Is S-Propyl chlorothioformate a controlled substance?
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The provided data does not indicate that S-Propyl chlorothioformate is a controlled substance.
How is S-Propyl chlorothioformate packed and exported?
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S-Propyl chlorothioformate is shipped as UN 2920, Hazard Class 3 (Flammable liquids) and 8 (Corrosive), Packing Group II.
How can I request a quote or sample for S-Propyl chlorothioformate?
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To request a quote or sample, please contact our sales team through the provided channels on the Tech Serve Solutions website, referencing the product name and CAS number.
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