4-Methylbenzyl chloride
4-Methylbenzyl chloride (CAS: 104-82-5; Formula: CH3C6H4CH2Cl; Molar Mass: 140.61 g/mol) is a halogenated hydrocarbon. This compound serves as a valuable intermediate and building block in organic synthesis, particularly in the preparation of pharmaceuticals and other fine chemicals. Its reactive benzyl chloride functionality allows for versatile derivatisation in various chemical transformations.
- IUPAC
- α-Chloro-p-xylene,p-Xylyl chloride
- Synonyms
- α-Chloro-p-xylenep-Xylyl chloride

Pharmaceutical Intermediates
4-Methylbenzyl chloride is utilized in the synthesis pathways of various active pharmaceutical ingredients (APIs). Its structure provides a key fragment for building more complex drug molecules.
Organic Synthesis Building Block
As a reactive aryl halide, it is employed in numerous organic reactions, including alkylations and cross-coupling reactions, to construct diverse molecular architectures.
Agrochemical Synthesis
The compound finds application in the development of new agrochemicals, contributing to the synthesis of crop protection agents.
| Molecular weight | 140.61 |
|---|---|
| Linear formula | CH3C6H4CH2Cl |
| Assay | 98% |
| Boiling point | 200 °C(lit.) |
| Density | 1.062 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.533(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 4 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- 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 | 75 °C / 167 °F |
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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-Methylbenzyl chloride used for?
+
4-Methylbenzyl chloride is primarily used as a building block in organic synthesis, particularly for preparing pharmaceutical intermediates and other fine chemicals.
What is the CAS number and formula for 4-Methylbenzyl chloride?
+
The CAS number for 4-Methylbenzyl chloride is 104-82-5, and its chemical formula is CH3C6H4CH2Cl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Methylbenzyl chloride with an assay of 98%. This is typically considered a research or technical grade; we do not represent it as USP, BP, or EP grade.
How should 4-Methylbenzyl chloride be handled safely?
+
4-Methylbenzyl chloride is a hazardous substance. It is classified as corrosive and harmful if swallowed (H302, H314). Handling requires appropriate personal protective equipment, including gloves, goggles, a face shield, and respiratory protection. Work should be conducted in a well-ventilated area or fume hood. Refer to the Safety Data Sheet for detailed handling procedures.
How is 4-Methylbenzyl chloride packed and shipped?
+
4-Methylbenzyl chloride is typically packed in suitable containers for hazardous materials and shipped in compliance with international regulations for chemical transport, including UN 3265, Hazard Class 8, Packing Group III.
How can I request a quote or sample of 4-Methylbenzyl chloride?
+
To request a quote or sample of 4-Methylbenzyl chloride, please contact our sales team through the website or by phone. Provide your specific requirements and delivery details.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis