1-Naphthaldehyde
1-Naphthaldehyde (CAS: 66-77-3), with the molecular formula C10H7CHO and a molecular weight of 156.18, is an aromatic aldehyde. This organic compound serves as a valuable building block in chemical synthesis. Its primary applications lie in the preparation of more complex organic molecules and as an intermediate in the fine chemical industry. Available from Tech Serve Solutions, it is offered at a 95% assay.
- IUPAC
- α-Naphthaldehyde
- Synonyms
- α-Naphthaldehyde

Organic Synthesis Intermediate
1-Naphthaldehyde is frequently employed as a key intermediate in multi-step organic syntheses. Its reactive aldehyde group allows for various transformations, leading to diverse chemical structures.
Building Block for Complex Molecules
This compound is utilised as a fundamental building block for constructing larger, more intricate organic molecules. It is particularly useful in the synthesis of pharmaceuticals and speciality chemicals.
Fine Chemical Manufacturing
Within the fine chemical sector, 1-Naphthaldehyde plays a role in the production of various speciality chemicals, contributing to the development of advanced materials and research compounds.
| Molecular weight | 156.18 |
|---|---|
| Linear formula | C10H7CHO |
| Assay | 95% |
| Boiling point | 160-161 °C/15 mmHg(lit.) |
| Density | 1.15 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.652(lit.) |
| Vapour density | >1 (vs air) |
| Melting point | 1-2 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Naphthaldehyde used for?
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1-Naphthaldehyde is primarily used as an intermediate in organic synthesis and as a building block for constructing more complex organic molecules, particularly in the fine chemical and research sectors.
What are the CAS number and formula for 1-Naphthaldehyde?
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The CAS number for 1-Naphthaldehyde is 66-77-3, and its molecular formula is C10H7CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Naphthaldehyde with a minimum assay of 95%. This is a technical grade for research and synthesis purposes; TSS does not represent it as USP, BP, or EP grade.
How should 1-Naphthaldehyde be handled safely?
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1-Naphthaldehyde is harmful if swallowed (H302). When handling, it is essential to use appropriate personal protective equipment, including eyeshields, face shields, and suitable gloves. Ensure adequate ventilation or use a respirator with an appropriate filter cartridge.
Is 1-Naphthaldehyde a controlled substance?
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The provided safety data does not indicate that 1-Naphthaldehyde is a controlled substance.
How is 1-Naphthaldehyde packed and exported?
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1-Naphthaldehyde is carefully packed to ensure product integrity during transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample of 1-Naphthaldehyde, please contact the Tech Serve Solutions sales team through our website or by phone.
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