(4-Chlorophenyl)acetonitrile
(4-Chlorophenyl)acetonitrile (CAS: 140-53-4), with the molecular formula ClC6H4CH2CN and a molecular weight of 151.59 g/mol, is a valuable organic compound. It functions as a key building block and intermediate in chemical synthesis, particularly within the realms of organic and pharmaceutical chemistry. Its nitrile functionality and chlorophenyl group offer versatile reaction sites for constructing more complex molecules.
- IUPAC
- 4-Chlorobenzyl cyanide
- Synonyms
- 4-Chlorobenzyl cyanide

Organic Synthesis Intermediate
This compound serves as a crucial intermediate in the synthesis of various organic molecules. Its reactive nitrile group and the presence of a chlorine atom on the phenyl ring allow for diverse chemical transformations, enabling the construction of complex molecular architectures.
Pharmaceutical Building Block
In pharmaceutical research and development, (4-Chlorophenyl)acetonitrile is employed as a building block for the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs). It contributes to the core structure of molecules being investigated for therapeutic properties.
Research Chemical
Utilised in academic and industrial research laboratories, this chemical is instrumental in exploring new synthetic pathways and developing novel compounds. Its well-defined structure makes it a reliable reagent for various research applications.
| Molecular weight | 151.59 |
|---|---|
| Linear formula | ClC6H4CH2CN |
| Assay | 96% |
| Boiling point | 265-267 °C(lit.) |
| Density | 1.19 g/mL at 20 °C(lit.) |
| Melting point | 25-28 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Flash point | 134 °C / 273.2 °F |
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38 |
| Safety statements (S) | 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 (4-Chlorophenyl)acetonitrile used for?
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(4-Chlorophenyl)acetonitrile is primarily used as an intermediate and building block in organic synthesis, particularly for the development of pharmaceuticals and other complex organic molecules. It is also employed as a research chemical.
What is the CAS number and chemical formula for (4-Chlorophenyl)acetonitrile?
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The CAS number is 140-53-4, and the chemical formula is ClC6H4CH2CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (4-Chlorophenyl)acetonitrile with an assay of 96%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product data. It is suitable for research and general chemical synthesis applications.
How should (4-Chlorophenyl)acetonitrile be handled safely?
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Handling requires caution due to its toxic nature. Recommended personal protective equipment includes eyeshields, faceshields, gloves, and P2 respirator cartridges. It is toxic if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation, as well as respiratory irritation. Always consult the Safety Data Sheet (SDS) before use.
How is (4-Chlorophenyl)acetonitrile exported and shipped?
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Tech Serve Solutions, as a specialist global supplier and exporter, can arrange for the export and shipment of (4-Chlorophenyl)acetonitrile to meet your requirements, adhering to all necessary regulations for hazardous materials.
How can I request a quote or sample?
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To request a quote or a sample of (4-Chlorophenyl)acetonitrile, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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