1,8-Naphthalaldehydic acid
1,8-Naphthalaldehydic acid (CAS: 5811-87-0), with the molecular formula HCOC10H6CO2H and a molecular weight of 200.19 g/mol, is a specialized organic compound. It functions as a valuable building block in chemical synthesis, belonging to the families of aldehydes and carboxylic acids. This chemical is primarily utilized in research and development settings for the creation of more complex organic molecules.
- IUPAC
- 8-Formyl-1-naphthalenecarboxylic acid
- Synonyms
- HCOC10H6CO2H8-Formyl-1-naphthalenecarboxylic acid

Organic Synthesis Intermediate
1,8-Naphthalaldehydic acid serves as a key intermediate in the synthesis of various organic compounds. Its bifunctional nature, possessing both aldehyde and carboxylic acid groups, allows for diverse chemical transformations.
Research and Development
This compound is employed in research laboratories for exploring new synthetic pathways and developing novel molecules. It is particularly useful as a building block in medicinal chemistry and materials science.
Specialty Chemical Production
It is utilized in the production of niche specialty chemicals where its unique structural features are advantageous for targeted applications.
| Molecular weight | 200.19 |
|---|---|
| Linear formula | HCOC10H6CO2H |
| Assay | 97% |

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 1,8-Naphthalaldehydic acid used for?
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1,8-Naphthalaldehydic acid is primarily used as a building block in organic synthesis and in research and development for creating complex molecules.
What is the CAS number and molecular formula?
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The CAS number for 1,8-Naphthalaldehydic acid is 5811-87-0, and its molecular formula is HCOC10H6CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,8-Naphthalaldehydic acid with an assay of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
How should 1,8-Naphthalaldehydic acid be handled safely?
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Handle with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation, as it may cause skin, eye, and respiratory irritation (H315-H319-H335).
Is 1,8-Naphthalaldehydic acid exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1,8-Naphthalaldehydic acid.
How can I request a sample or quote?
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To request a sample or a quote for 1,8-Naphthalaldehydic acid, please contact our sales team via the website or by phone.
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