2-Chlorophenyl chloroformate
2-Chlorophenyl chloroformate (CAS: 19358-41-9) is an organic compound with the linear formula ClCO₂C₆H₄Cl and a molecular weight of 191.01 g/mol. This acid halide functions as a useful building block in organic synthesis. It is employed in chemical manufacturing processes where the introduction of a specific functional group is required, contributing to the creation of more complex molecules.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its reactive nature allows for facile incorporation into diverse molecular structures.
Pharmaceutical Precursor
Used in the multi-step synthesis of pharmaceutical agents. It facilitates the construction of complex active pharmaceutical ingredients (APIs) by providing a reactive carbonyl chloride moiety.
Agrochemical Development
Contributes to the development of novel agrochemicals. The compound's structure can be modified to create herbicides, insecticides, or fungicides with specific modes of action.
Material Science Research
Investigated for its potential in creating new polymers or functional materials. Its reactivity can be exploited for cross-linking or modifying polymer backbones.
| Molecular weight | 191.01 |
|---|---|
| Linear formula | ClCO2C6H4Cl |
| Assay | 97% |
| Boiling point | 221 °C(lit.) |
| Density | 1.37 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.526(lit.) |
| Vapour pressure | 0.75 psi (20 °C) |
| Storage temperature | 2-8°C |


Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H331Toxic 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), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3277 6.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-34 |
| Safety statements (S) | 23-26-36/37/39-45 |
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 2-Chlorophenyl chloroformate used for?
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2-Chlorophenyl chloroformate is primarily used as a building block and intermediate in organic synthesis, including the preparation of pharmaceuticals and agrochemicals.
What is the CAS number and formula for 2-Chlorophenyl chloroformate?
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The CAS number is 19358-41-9 and the linear formula is ClCO₂C₆H₄Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chlorophenyl chloroformate with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chlorophenyl chloroformate be handled safely?
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2-Chlorophenyl chloroformate is a Danger material (GHS05, GHS06) requiring strict handling procedures due to hazards including toxicity (H301, H311, H331) and severe skin burns and eye damage (H314). Use appropriate personal protective equipment such as gloves, goggles, and a faceshield or full-face respirator.
How is 2-Chlorophenyl chloroformate packed and shipped?
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The product is typically packed and exported in compliance with regulations for hazardous materials, classified under UN 3277, Class 6.1, Packing Group II.
How can I request a quote or sample for 2-Chlorophenyl chloroformate?
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Please contact our sales team via the website or by phone to request a quote or to arrange for a sample.
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