3-Chloro-4-methylbenzonitrile
3-Chloro-4-methylbenzonitrile (CAS: 21423-81-4) is a halogenated aromatic nitrile with the molecular formula ClC6H3(CH3)CN and a molecular weight of 151.59 g/mol. This compound serves as a valuable building block in organic synthesis. It is primarily utilised in chemical synthesis studies and as an intermediate in the production of more complex molecules. Available from Tech Serve Solutions, it meets stringent quality standards for research and industrial applications.
- IUPAC
- 3-Chloro-p-tolunitrile

Organic Synthesis Intermediate
3-Chloro-4-methylbenzonitrile is employed as a key intermediate in the synthesis of various organic compounds. Its reactive nitrile and chloro-aromatic functionalities allow for diverse chemical transformations.
Chemical Synthesis Studies
This compound is used in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its structure lends itself to a variety of reactions.
Building Block for Specialty Chemicals
The molecule acts as a fundamental building block for constructing more complex structures, potentially finding use in the development of agrochemicals, pharmaceuticals, or materials science.
| Molecular weight | 151.59 |
|---|---|
| Linear formula | ClC6H3(CH3)CN |
| Assay | 97% |
| Application | 3-Chloro-4-methylbenzonitrile may be used in chemical synthesis studies. |
| Melting point | 45-48 °C(lit.) |

Hazard statements
- H228Flammable solid
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 84 °C / 183.2 °F |
| Transport (UN / ADR) | UN 1325 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
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 3-Chloro-4-methylbenzonitrile used for?
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3-Chloro-4-methylbenzonitrile is primarily used as a building block in organic synthesis and for chemical synthesis studies. It serves as an intermediate in the preparation of more complex molecules.
What are the CAS number and chemical formula for 3-Chloro-4-methylbenzonitrile?
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The CAS number is 21423-81-4 and the chemical formula is ClC6H3(CH3)CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloro-4-methylbenzonitrile with a minimum assay of 97%. This product is typically considered for research and chemical synthesis purposes and is not supplied as USP, BP, EP, or any pharmacopoeia grade.
How should 3-Chloro-4-methylbenzonitrile be handled safely?
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3-Chloro-4-methylbenzonitrile is a flammable solid (H228) requiring careful handling. Use in a well-ventilated area, away from ignition sources. Recommended personal protective equipment includes eyeshields, gloves, and an appropriate respirator filter (type N95 or P1).
How is 3-Chloro-4-methylbenzonitrile packed and shipped?
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As a flammable solid (UN 1325, Class 4.1, PG II), this compound is packed and shipped in compliance with international regulations for hazardous materials. TSS is an experienced global supplier and exporter.
How can I request a quote or sample?
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Please contact our sales team via the website or by phone to request a quote or a sample of 3-Chloro-4-methylbenzonitrile.
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