3-(Chloromethyl)benzoic acid
3-(Chloromethyl)benzoic acid (CAS 31719-77-4) is an organic compound with the linear formula ClCH2C6H4CO2H and a molecular weight of 170.59 g/mol. It serves as a versatile building block in organic synthesis. This carboxylic acid derivative, featuring a chloromethyl group, is valuable for introducing the 3-carboxybenzyl moiety into various molecular structures. It finds application in the synthesis of complex organic molecules and intermediates for research and development purposes.
- IUPAC
- α-Chloro-m-toluic acid
- Synonyms
- α-Chloro-m-toluic acid

Organic Synthesis Intermediate
3-(Chloromethyl)benzoic acid is a key intermediate for the synthesis of more complex organic molecules. Its reactive chloromethyl group allows for facile nucleophilic substitution reactions.
Pharmaceutical Research
This compound can be employed in the development of novel pharmaceutical agents. It acts as a building block for creating drug candidates and exploring new therapeutic pathways.
Material Science
The molecule's structure lends itself to incorporation into polymers or functional materials. Research into new materials may utilise its reactive functional groups.
Agrochemical Development
It may serve as a precursor or intermediate in the synthesis of active ingredients for agrochemical applications, contributing to crop protection research.
| Molecular weight | 170.59 |
|---|---|
| Linear formula | ClCH2C6H4CO2H |
| Assay | 97% |
| Melting point | 136-138 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H332Harmful if inhaled
Precautionary statements
- 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 |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34 |
| 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 3-(Chloromethyl)benzoic acid used for?
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3-(Chloromethyl)benzoic acid is primarily used as a versatile building block and intermediate in organic synthesis, particularly in the fields of pharmaceutical research, material science, and agrochemical development.
What is the CAS number and formula for 3-(Chloromethyl)benzoic acid?
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The CAS number for 3-(Chloromethyl)benzoic acid is 31719-77-4, and its linear formula is ClCH2C6H4CO2H.
What grade and purity does Tech Serve Solutions supply for 3-(Chloromethyl)benzoic acid?
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Tech Serve Solutions supplies 3-(Chloromethyl)benzoic acid with an assay of 97%. This product is suitable for research and chemical synthesis; TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should 3-(Chloromethyl)benzoic acid be handled safely?
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3-(Chloromethyl)benzoic acid is classified as Danger, with hazards including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H314 (Causes severe skin burns and eye damage), and H332 (Harmful if inhaled). Handle with appropriate personal protective equipment including eyeshields, face shields, gloves, and suitable respiratory protection (e.g., N100 or P3 filters) in a well-ventilated area.
How is 3-(Chloromethyl)benzoic acid packed and exported by TSS?
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3-(Chloromethyl)benzoic acid is packed according to UN 3261 8 / PGII regulations for safe transport. As a global supplier, Tech Serve Solutions exports this chemical worldwide.
How can I request a quote or sample of 3-(Chloromethyl)benzoic acid?
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To request a quote or a sample of 3-(Chloromethyl)benzoic acid, please contact our sales team through the website or by phone. Specify your requirements for accurate processing.
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