4-Chlorobenzyl Chloride

Also known as: p-Chlorobenzyl chloride; 1-Chloro-4-(chloromethyl)benzene

4-Chlorobenzyl Chloride is an aromatic chlorinated intermediate used in organic synthesis and the manufacture of specialty chemical intermediates.

Cas No.
104-83-6
Appearance
White needle-like crystals or colourless liquid
Assay
≥99.0%
HS Code
2903.99
Molecular Weight
161.03 g/mol
Molecular Formula
C7H6Cl2

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Product Overview

4-Chlorobenzyl chloride (4-CBC), CAS 104-83-6, is an aromatic chlorinated intermediate with the molecular formula C7H6Cl2 and a molecular weight of 161.03 g/mol. It is supplied as white needle-like crystals or as a colourless liquid, with a standard assay of ≥99.0%.

As a benzylating agent, 4-CBC introduces the para-chlorobenzyl group in organic synthesis. It is an intermediate for pharmaceuticals, agrochemicals, dyes and other fine chemicals where a fixed para substitution pattern is required.

Impurities are controlled: o-chlorobenzyl chloride ≤0.3%, 1,4-bis(chloromethyl)benzene ≤0.3% and 4-chlorotoluene ≤0.2%. The product is classified as dangerous goods — UN 3427, Class 6.1, packing group III.

Typical Applications

  • Benzylating agent in organic synthesis
  • Intermediate for pharmaceuticals and agrochemicals
  • Intermediate for dyes and fine chemicals
  • Building block for para-substituted aromatic compounds

Specifications

Values shown are typical for our standard grade. If you need a parameter that is not listed here, send us your specification and we will confirm availability.

AppearanceWhite needle-like crystals or colourless liquid
Assay≥99.0%
o-Chlorobenzyl chloride≤0.3%
1,4-Bis(chloromethyl)benzene≤0.3%
4-Chlorotoluene≤0.2%
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Frequently Asked Questions

What is the CAS number of 4-chlorobenzyl chloride?
4-CBC is CAS 104-83-6.

Is the product a solid or a liquid?
Both forms are supplied: white needle-like crystals or a colourless liquid. Tell us which form suits your process.

Is 4-CBC classified as dangerous goods?
Yes. It is UN 3427, Class 6.1, packing group III.

What packaging do you supply?
Standard packing is 250 kg/drum. Custom packaging is available on request.

What are the HS code and shipping terms?
The HS code is 2903.99. We coordinate export under FOB, CIF, CIP, DDU and DDP terms.

Browse the full product range, or send us your requirement with specification, quantity and destination.

Appearance Picture

Molecular Formula

Molecular formula of 4-Chlorobenzyl Chloride

Package Photo

4-Chlorobenzyl Chloride packaging

Package Details

  • Standard packing: 250 kg/drum
  • Custom packaging available on request

Storage & Notes

Store in a cool, dry, well-ventilated place, away from heat, sparks and open flame. Keep containers tightly closed.

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