4-Bromo-2-chlorophenyl isocyanate
4-Bromo-2-chlorophenyl isocyanate (CAS: 190774-47-1), with the molecular formula BrC6H3(Cl)NCO and a molecular weight of 232.46 g/mol, is a reactive organic compound. It serves as a valuable building block in chemical synthesis. Its isocyanate functional group allows for versatile reactions, making it useful in the preparation of more complex molecules within research and industrial settings. TSS supplies this chemical for your synthesis needs.

Organic Synthesis
4-Bromo-2-chlorophenyl isocyanate is utilized as an intermediate in the synthesis of diverse organic compounds. Its reactivity enables the formation of new carbon-nitrogen bonds, crucial for creating complex molecular structures.
Pharmaceutical Intermediate
This compound can serve as a precursor in the development of novel pharmaceutical agents. Its specific structure allows for tailored modifications in drug discovery research.
Material Science
The isocyanate group can be incorporated into polymers or other materials, potentially modifying their properties. It acts as a functional component in the creation of advanced materials.
| Molecular weight | 232.46 |
|---|---|
| Linear formula | BrC6H3(Cl)NCO |
| Assay | 97% |
| Melting point | 71-76 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-36/37/38-42/43-51/53 |
| Safety statements (S) | 22-26-36/37-61 |
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 4-Bromo-2-chlorophenyl isocyanate used for?
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4-Bromo-2-chlorophenyl isocyanate is primarily used as a building block in organic synthesis and as an intermediate in the development of pharmaceuticals and materials science applications.
What is the CAS number and molecular formula for 4-Bromo-2-chlorophenyl isocyanate?
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The CAS number is 190774-47-1 and the molecular formula is BrC6H3(Cl)NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-2-chlorophenyl isocyanate with a minimum purity of 97%. We do not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with 4-Bromo-2-chlorophenyl isocyanate?
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This compound is classified as Danger. It is harmful if swallowed, causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation, may cause allergy or asthma symptoms or breathing difficulties if inhaled, may cause respiratory irritation, and is toxic to aquatic life with long lasting effects. Handle with appropriate personal protective equipment in a well-ventilated area.
How is 4-Bromo-2-chlorophenyl isocyanate packed, shipped, and exported?
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4-Bromo-2-chlorophenyl isocyanate is packed according to regulatory standards for hazardous materials. We expertly handle the complexities of exporting chemicals worldwide, ensuring compliance with all relevant international shipping regulations.
How can I request a sample or quote for 4-Bromo-2-chlorophenyl isocyanate?
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To request a sample or a quote, please contact our sales team through the website or by phone. Provide the product name and CAS number (190774-47-1) for prompt service.
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