2-Naphthaleneacetic acid
2-Naphthaleneacetic acid (CAS 581-96-4) is a white to off-white crystalline solid with the molecular formula C10H7CH2CO2H and a molecular weight of 186.21 g/mol. This organic compound serves as a valuable building block in chemical synthesis. It is commonly employed in research and development laboratories for the creation of more complex molecules and is of interest for its potential applications in various scientific fields.
- IUPAC
- 2-Naphthylacetic acid

Chemical Synthesis Intermediate
2-Naphthaleneacetic acid functions as a key intermediate in organic synthesis. Its carboxylic acid group and naphthalene ring system allow for diverse chemical transformations, enabling the construction of complex organic structures for research purposes.
Research and Development
This compound is widely utilised in R&D laboratories for exploring new synthetic pathways and developing novel chemical entities. Its well-defined structure makes it a reliable reagent for academic and industrial research.
Organic Building Block
As an organic building block, 2-Naphthaleneacetic acid provides a foundational structure for creating a range of carbon-based molecules. It is particularly useful for introducing the naphthylacetyl moiety into target compounds.
| Molecular weight | 186.21 |
|---|---|
| Linear formula | C10H7CH2CO2H |
| Assay | ≥98.0% (T) |
| Solubility | acetone: soluble50 mg/mL, clear |
| Melting point | 139-142 °C141-143 °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) | 26-36 |
| Ignition residue | ≤0.1% |
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-Naphthaleneacetic acid used for?
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2-Naphthaleneacetic acid is primarily used as a building block in chemical synthesis and in research and development laboratories for creating more complex organic molecules.
What is the CAS number and molecular formula for 2-Naphthaleneacetic acid?
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The CAS number is 581-96-4 and the molecular formula is C10H7CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Naphthaleneacetic acid with an assay of ≥98.0% (T). This is a technical/research grade, and we do not represent it as USP, BP, or EP grade.
How should 2-Naphthaleneacetic acid be handled?
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2-Naphthaleneacetic acid is classified with GHS07, indicating a warning. It is a skin irritant (H315), eye irritant (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eye shields, and gloves, should be used. Handle in a well-ventilated area.
Is 2-Naphthaleneacetic acid a controlled substance?
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The provided data does not indicate that 2-Naphthaleneacetic acid is a controlled substance.
How is 2-Naphthaleneacetic acid packed and exported by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging for safe handling, transit, and export of 2-Naphthaleneacetic acid according to international regulations.
How can I request a sample or quote for 2-Naphthaleneacetic acid?
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To request a sample or obtain a quote for 2-Naphthaleneacetic acid, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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