5-Chloro-2-methoxybenzoic acid
5-Chloro-2-methoxybenzoic acid (CAS: 3438-16-2), with the molecular formula ClC6H3(OCH3)CO2H and a molecular weight of 186.59 g/mol, is a valuable organic building block. This carboxylic acid derivative is utilised in various chemical synthesis applications. Tech Serve Solutions offers this compound with a minimum assay of 99% purity, ensuring reliability for research and development purposes.
- IUPAC
- 5-Chloro-o-anisic acid

Synthesis of Metal Benzoates
5-Chloro-2-methoxybenzoic acid serves as a precursor in the synthesis of metal benzoates. For instance, it has been employed in the preparation of 5-chloro-2-methoxybenzoates of lanthanum(III), gallium(III), and lutetium(III).
Organic Synthesis Intermediate
As a functionalised aromatic compound, it is suitable for further chemical modifications. Its structure allows for diverse reactions in the development of novel organic molecules and complex structures.
Research and Development
This chemical is a useful reagent for academic and industrial research laboratories. It facilitates studies in areas requiring substituted benzoic acid derivatives and related compounds.
| Molecular weight | 186.59 |
|---|---|
| Linear formula | ClC6H3(OCH3)CO2H |
| Assay | 99% |
| Application | 5-Chloro-2-methoxybenzoic acid has been used in the synthesis of 5-chloro-2-methoxybenzoates of La(III), Ga(III) and Lu(III)1. |
| Melting point | 98-100 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 5-Chloro-2-methoxybenzoic acid used for?
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5-Chloro-2-methoxybenzoic acid is used as a building block in organic synthesis, including the preparation of metal benzoates and other complex organic molecules. It is valuable for research and development purposes.
What are the CAS number and formula for 5-Chloro-2-methoxybenzoic acid?
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The CAS number for 5-Chloro-2-methoxybenzoic acid is 3438-16-2, and its molecular formula is ClC6H3(OCH3)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Chloro-2-methoxybenzoic acid with a minimum purity of 99%. We do not represent this product as USP, BP, or EP grade.
What are the primary safety considerations when handling 5-Chloro-2-methoxybenzoic acid?
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5-Chloro-2-methoxybenzoic acid is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used. Ensure adequate ventilation.
How is 5-Chloro-2-methoxybenzoic acid packed and shipped?
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5-Chloro-2-methoxybenzoic acid is carefully packed for safe transit and is available for export globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a quote or sample?
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To request a quote or a sample of 5-Chloro-2-methoxybenzoic acid, please contact our sales team via the website or directly by email or phone.
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