2,4-Dichlorophenethyl isocyanate
2,4-Dichlorophenethyl isocyanate (CAS: 480439-41-6) is a reactive organic compound with the molecular formula Cl2C6H3CH2CH2NCO and a molecular weight of 216.06. This chemical serves as a valuable building block in organic synthesis, particularly for introducing the 2,4-dichlorophenethyl moiety into target molecules. Its isocyanate functionality allows for versatile reactions with nucleophiles, making it useful in the preparation of various derivatives.
- Synonyms
- Cl2C6H3CH2CH2NCO

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. The isocyanate group readily reacts with amines, alcohols, and other nucleophiles to form amides, carbamates, and ureas.
Research and Development
Employed in research laboratories for the development of novel compounds and materials. Its specific structure makes it a useful starting material for exploring new chemical pathways and functionalities.
Building Block for Specialty Chemicals
Acts as a versatile building block for the creation of specialty chemicals. The dichlorinated phenyl ring and the ethyl isocyanate chain offer distinct reactivity profiles for fine-tuning molecular properties.
| Molecular weight | 216.06 |
|---|---|
| Linear formula | Cl2C6H3CH2CH2NCO |
| Assay | 97% |
| Boiling point | 264-265 °C(lit.) |
| Density | 1.301 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5560(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 2206 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42 |
| Safety statements (S) | 23-26-36 |
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 2,4-Dichlorophenethyl isocyanate used for?
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2,4-Dichlorophenethyl isocyanate is primarily used as an intermediate in organic synthesis and as a building block for the development of specialty chemicals and novel compounds in research settings.
What are the CAS number and chemical formula?
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The CAS number for 2,4-Dichlorophenethyl isocyanate is 480439-41-6, and its linear formula is Cl2C6H3CH2CH2NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dichlorophenethyl isocyanate with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should 2,4-Dichlorophenethyl isocyanate be handled?
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This compound is hazardous, presenting dangers including harm if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation. It may also cause respiratory irritation and trigger allergic reactions. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a full-face respirator. Ensure adequate ventilation.
Is this product available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2,4-Dichlorophenethyl isocyanate.
How can I request a sample or quote?
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To request a sample or quote for 2,4-Dichlorophenethyl isocyanate, please contact our sales team through the website or by phone.
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