2,4-Dichlorobenzyl isocyanate
2,4-Dichlorobenzyl isocyanate (CAS: 19654-32-1) is a reactive organic compound with the linear formula Cl2C6H3CH2NCO and a molecular weight of 202.04 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly for introducing the 2,4-dichlorobenzyl isocyanate moiety into more complex molecules. It is primarily utilised in research and development settings for the creation of novel chemical entities.
- Synonyms
- Cl2C6H3CH2NCO

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of diverse organic molecules. Its reactive isocyanate group readily participates in addition reactions, making it suitable for derivatisation.
Chemical Research
Utilised in laboratory settings for exploring new reaction pathways and developing novel compounds. Its specific structure allows for targeted incorporation into various chemical frameworks.
Building Block for Complex Molecules
Serves as a foundational component in the construction of more intricate chemical structures. The 2,4-dichlorobenzyl unit can impart specific properties to the final product.
| Molecular weight | 202.04 |
|---|---|
| Linear formula | Cl2C6H3CH2NCO |
| Assay | 98% |
| Boiling point | 273 °C(lit.) |
| Density | 1.388 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.565(lit.) |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful 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
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| 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 |
| Safety statements (S) | 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-Dichlorobenzyl isocyanate used for?
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2,4-Dichlorobenzyl isocyanate is primarily used as a building block and intermediate in organic synthesis and chemical research for creating novel compounds.
What is the CAS number and chemical formula for 2,4-Dichlorobenzyl isocyanate?
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The CAS number is 19654-32-1, and its linear formula is Cl2C6H3CH2NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dichlorobenzyl isocyanate with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 2,4-Dichlorobenzyl isocyanate be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, as indicated by the Warning signal word and hazard statements (H302, H312, H315, H319, H332, H335). Ensure good ventilation.
Is 2,4-Dichlorobenzyl isocyanate available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2,4-Dichlorobenzyl isocyanate.
How can I request a quote or sample for 2,4-Dichlorobenzyl isocyanate?
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Please contact our sales department to request a quote or sample for 2,4-Dichlorobenzyl isocyanate.
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