2,4-Dichlorobenzyl chloride
2,4-Dichlorobenzyl chloride (CAS 94-99-5) is an organic compound with the molecular formula Cl2C6H3CH2Cl and a molecular weight of 195.47 g/mol. This halogenated hydrocarbon serves as a valuable building block in chemical synthesis. It is primarily utilised as a starting reagent for the preparation of various organic compounds, contributing to the development of novel molecules within the pharmaceutical and chemical research sectors.
- IUPAC
- α,2,4-Trichlorotoluene
- Synonyms
- 2,4-Dichlorobenzyl chloridealpha,2,4-TrichlorotolueneBenzyl chloride, 2,4-dichloro-

Synthesis of Triazolium Derivatives
2,4-Dichlorobenzyl chloride functions as a key starting material in the synthesis of novel 1,2,4-triazolium derivatives. This application highlights its utility in creating complex heterocyclic structures for research purposes.
Organic Synthesis Building Block
As a versatile aryl halide, this compound is employed in organic synthesis for constructing more complex molecular architectures. Its reactive benzyl chloride moiety allows for various substitution and coupling reactions.
Intermediate for Specialty Chemicals
This chemical is utilised as an intermediate in the production of specialty organic chemicals. Its specific structure lends itself to modifications for targeted applications in research and development.
| Molecular weight | 195.47 |
|---|---|
| Linear formula | Cl2C6H3CH2Cl |
| Assay | 99% |
| Boiling point | 248 °C(lit.) |
| Density | 1.407 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.576(lit.) |
| Application | 2,4-Dichlorobenzyl chloride was used as starting reagent for the synthesis of series of novel 1,2,4-triazolium derivatives1. |
| Melting point | −2.6 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- 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 | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-37 |
| 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 2,4-Dichlorobenzyl chloride used for?
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2,4-Dichlorobenzyl chloride is primarily used as a starting reagent in organic synthesis, particularly for the preparation of novel 1,2,4-triazolium derivatives and other complex organic molecules.
What is the CAS number and chemical formula for 2,4-Dichlorobenzyl chloride?
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The CAS number is 94-99-5, and the linear formula is Cl2C6H3CH2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dichlorobenzyl chloride with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 2,4-Dichlorobenzyl chloride be handled safely?
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2,4-Dichlorobenzyl chloride is classified as Danger, indicated by GHS05. It causes severe skin burns and eye damage (H314). Handling requires appropriate personal protective equipment, including gloves, goggles, and a full-face respirator or suitable combination respirator cartridge. Ensure adequate ventilation and follow P-statements such as P280, P305 + P351 + P338, and P310.
Is 2,4-Dichlorobenzyl chloride a controlled substance?
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The provided data does not indicate that 2,4-Dichlorobenzyl chloride is a controlled substance.
How is 2,4-Dichlorobenzyl chloride packed and shipped?
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As per UN 3265, 8/PGII, it is shipped as a corrosive liquid, acidic, organic, n.o.s. (2,4-Dichlorobenzyl chloride) in appropriate packaging for hazardous materials.
How can I request a quote or sample for 2,4-Dichlorobenzyl chloride?
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Please contact our sales team via the website or direct inquiry channels to request a quote or sample for 2,4-Dichlorobenzyl chloride.
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