N-(Chlorocarbonyl)isocyanate
N-(Chlorocarbonyl)isocyanate (CAS: 27738-96-1), with the linear formula ClCONCO and a molecular weight of 105.48 g/mol, is a highly reactive organic compound. It functions as a versatile synthon in chemical synthesis, particularly useful in the preparation of various heterocyclic compounds and derivatives. Its specific applications are detailed in chemical literature, underscoring its importance as a building block in organic chemistry research and development.

Chemical Synthesis Intermediate
N-(Chlorocarbonyl)isocyanate is a key intermediate in organic synthesis. It serves as a valuable building block for constructing complex molecules, particularly heterocyclic systems, due to its dual reactive functionalities.
Reagent in Organic Chemistry
This compound is employed as a reagent in diverse organic transformations. Its reactivity allows for the introduction of isocyanate and carbonyl chloride functionalities, facilitating the synthesis of amides, ureas, and other nitrogen-containing compounds.
Research and Development
Primarily utilized in laboratory settings for research and development purposes, N-(Chlorocarbonyl)isocyanate enables the exploration of novel synthetic routes and the creation of new chemical entities.
| Molecular weight | 105.48 |
|---|---|
| Linear formula | ClCONCO |
| Boiling point | 63 °C(lit.) |
| Density | 1.31 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.432(lit.) |
| Application | For a review of the reactions of this versatile synthon.1 |



Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H332Harmful if inhaled
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- 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) |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34-42/43 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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 N-(Chlorocarbonyl)isocyanate used for?
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N-(Chlorocarbonyl)isocyanate is used as a versatile synthon and intermediate in organic synthesis, particularly for the preparation of heterocyclic compounds and other nitrogen-containing derivatives in research and development settings.
What is the CAS number and formula for N-(Chlorocarbonyl)isocyanate?
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The CAS number is 27738-96-1, and the linear formula is ClCONCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and laboratory use. The specific assay and grade are available upon request. We do not represent this product as USP, BP, or EP grade.
How should N-(Chlorocarbonyl)isocyanate be handled safely?
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N-(Chlorocarbonyl)isocyanate is a dangerous substance. It is corrosive and can cause severe skin burns and eye damage. It is harmful if inhaled or swallowed and may cause allergic skin reactions or respiratory irritation. Always handle with appropriate personal protective equipment, including full-face respirators, gloves, and goggles, in a well-ventilated area. Refer to the Safety Data Sheet for full handling and emergency procedures.
How is N-(Chlorocarbonyl)isocyanate shipped and exported?
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N-(Chlorocarbonyl)isocyanate is shipped and exported in compliance with international regulations for hazardous materials, typically under UN 3265, Class 8, Packing Group II. TSS ensures adherence to all transport and export requirements.
How can I request a quote or sample for N-(Chlorocarbonyl)isocyanate?
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To request a quote or a sample, please contact our sales department through the website or by phone, providing your specific requirements and shipping details.
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