Isopropenyl chloroformate
Isopropenyl chloroformate (CAS 57933-83-2) is a reactive organic compound with the linear formula ClCO₂C(CH₃)=CH₂ and a molecular weight of 120.53. As an acid halide and carbonyl compound, it serves as a versatile building block in organic synthesis. Its primary applications lie in chemical synthesis and as an intermediate for creating more complex molecules.

Organic Synthesis Intermediate
Isopropenyl chloroformate is a valuable reagent for introducing the isopropoxycarbonyl group or acting as a precursor in various organic transformations. It is utilised in the construction of diverse molecular architectures.
Building Block for Complex Molecules
This compound functions as a key building block in multi-step syntheses. Its reactive nature allows for controlled reactions to form target compounds in pharmaceutical and fine chemical research.
Carbonyl Compound Reactant
As a carbonyl compound, isopropenyl chloroformate readily participates in reactions such as esterification and acylation. This reactivity is essential for its role in synthetic organic chemistry.
| Molecular weight | 120.53 |
|---|---|
| Linear formula | ClCO2C(CH3)=CH2 |
| Assay | ≥95.0% (GC) |
| Boiling point | 93 °C/746 mmHg(lit.) |
| Density | 1.103 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.414(lit.)n20/D 1.414 |
| Storage temperature | 2-8°C |



Hazard statements
- H225Highly flammable liquid and vapour
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 10 °C / 50 °F |
| Transport (UN / ADR) | UN 3390 6.1/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,T |
| Risk statements (R) | 11-23/24/25-34-36/37 |
| Safety statements (S) | 16-26-27-36/37/39-45 |
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 Isopropenyl chloroformate used for?
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Isopropenyl chloroformate is primarily used as a reactive intermediate and building block in organic synthesis and chemical manufacturing.
What is the CAS number and formula for Isopropenyl chloroformate?
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The CAS number is 57933-83-2 and the linear formula is ClCO₂C(CH₃)=CH₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isopropenyl chloroformate with an assay of ≥95.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should Isopropenyl chloroformate be handled safely?
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Isopropenyl chloroformate is a flammable liquid and corrosive. Handle with extreme caution, using appropriate personal protective equipment including gloves, goggles, a faceshield, and a suitable respirator. Ensure adequate ventilation and avoid ignition sources.
How is Isopropenyl chloroformate packed, shipped, and exported?
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Tech Serve Solutions expertly packs, ships, and exports Isopropenyl chloroformate globally, adhering to all relevant regulations for hazardous materials.
How can I request a quote or sample for Isopropenyl chloroformate?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your specific requirements.
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