2-Carboxybenzaldehyde
2-Carboxybenzaldehyde (CAS: 119-67-5), with the molecular formula C8H6O3 and a molecular weight of 150.13 g/mol, is a valuable organic compound. It functions as a key intermediate and building block in chemical synthesis. Notably, it is a metabolite in the biodegradation of luoranthene and has been employed in the synthesis of N-substituted isoindolinones through reductive C-N coupling and intramolecular amidation.
- IUPAC
- 2-Formylbenzoic acid,3-Hydroxyphthalide,Phthalaldehydic acid
- Synonyms
- 2-Formylbenzoic acid3-HydroxyphthalidePhthalaldehydic acid

Organic Synthesis Intermediate
Serves as a crucial building block in the synthesis of various organic molecules, including complex heterocyclic compounds. Its bifunctional nature allows for diverse chemical transformations.
Synthesis of Isoindolinones
Used in the preparation of N-substituted isoindolinones via reductive C-N coupling and intramolecular amidation reactions with amines, a valuable pathway in medicinal chemistry.
Biodegradation Studies
Identified as a metabolite in the biodegradation of luoranthene, contributing to research in environmental chemistry and microbial degradation pathways.
| Molecular weight | 150.13 |
|---|---|
| Empirical formula | C8H6O3 |
| Assay | 97% |
| Application | 2-Carboxybenzaldehyde is a metabolite of the biodegradation of luoranthene using two pure bacterial strains, Pasteurella sp. IFA (B-2) and Mycobacterium sp. PYR-1 (AM)1. It has been used to synthesize a series of N-substituted isoindolinones by reductive C-N coupling and intramolecular amidation with amines2. |
| Melting point | 94-96 °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) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 2-Carboxybenzaldehyde used for?
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2-Carboxybenzaldehyde is used as an intermediate in organic synthesis, particularly for the preparation of N-substituted isoindolinones, and is also studied as a metabolite in luoranthene biodegradation.
What are the CAS number and molecular formula for 2-Carboxybenzaldehyde?
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The CAS number for 2-Carboxybenzaldehyde is 119-67-5, and its molecular formula is C8H6O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Carboxybenzaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Carboxybenzaldehyde be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Avoid breathing dust, and ensure adequate ventilation. Refer to the safety data sheet for comprehensive handling information.
Does TSS export 2-Carboxybenzaldehyde?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-Carboxybenzaldehyde.
How can I request a quote or sample for 2-Carboxybenzaldehyde?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your specific requirements.
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