4-Chloro-2-methylphenol
4-Chloro-2-methylphenol (CAS: 1570-64-5) is an organic compound with the chemical formula ClC6H3(CH3)OH. It is a substituted phenol with a molecular weight of 142.58 g/mol. This compound serves as a valuable building block in organic synthesis and finds application in various chemical research and development processes. Its specific properties make it useful for introducing phenolic and chlorinated aromatic functionalities into larger molecules.
- IUPAC
- 4-Chloro-o-cresol
- Synonyms
- 4-Chloro-o-cresol2-Methyl-4-chlorophenol

Organic Synthesis Intermediate
4-Chloro-2-methylphenol is utilised as a key intermediate in the synthesis of more complex organic molecules. Its reactive hydroxyl group and chloro-substituted aromatic ring allow for diverse chemical transformations.
Chemical Research and Development
This compound is employed in laboratory settings for research purposes, including the development of novel compounds and the study of reaction mechanisms. It is suitable for a range of chemical synthesis applications.
Building Block for Specialty Chemicals
As an organic building block, 4-Chloro-2-methylphenol can be incorporated into the structure of specialty chemicals, contributing specific chemical and physical properties to the final product.
| Molecular weight | 142.58 |
|---|---|
| Linear formula | ClC6H3(CH3)OH |
| Assay | 97% |
| Boiling point | 220-225 °C(lit.) |
| Melting point | 43-46 °C(lit.) |



Hazard statements
- H314Causes severe skin burns and eye damage
- H331Toxic if inhaled
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 78 °C / 172.4 °F |
| Transport (UN / ADR) | UN 3437 6.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,C,N |
| Risk statements (R) | 23-35-50 |
| Safety statements (S) | 26-36/37/39-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | rat ... Ar(24208) |
|---|
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-Chloro-2-methylphenol used for?
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4-Chloro-2-methylphenol is primarily used as an intermediate in organic synthesis and for general chemical research and development.
What are the CAS number and formula for 4-Chloro-2-methylphenol?
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The CAS number for 4-Chloro-2-methylphenol is 1570-64-5, and its chemical formula is ClC6H3(CH3)OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chloro-2-methylphenol with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Chloro-2-methylphenol be handled?
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4-Chloro-2-methylphenol is classified as dangerous with hazards including skin corrosion, toxic if inhaled, and very toxic to aquatic life. Appropriate personal protective equipment, such as eyeshields, face shields, gloves, and respiratory protection (N100 or P3 filters), is essential during handling. Ensure adequate ventilation and avoid release into the environment.
How is 4-Chloro-2-methylphenol shipped?
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4-Chloro-2-methylphenol is shipped as UN 3437, Hazard Class 6.1, Packing Group II, indicating it is a toxic solid. We export globally, adhering to all regulations.
How can I request a quote or sample?
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To request a quote or sample of 4-Chloro-2-methylphenol, please contact our sales department through the TSS website or by phone.
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