2-Naphthyl butyrate
2-Naphthyl butyrate (CAS 5856-33-7), with the molecular formula C14H14O2 and a molecular weight of 214.26 g/mol, is a chemical compound primarily utilised as an enzyme substrate. Its properties lend themselves to applications in biochemical research and diagnostics, particularly where esterase activity needs to be detected or quantified. Supplied by Tech Serve Solutions, it serves as a valuable reagent in various laboratory settings.
- IUPAC
- Butanoic acid 2-naphthyl ester
- Synonyms
- Butanoic acid 2-naphthyl ester

Enzyme Substrate
2-Naphthyl butyrate functions as a chromogenic substrate for esterase enzymes. Upon enzymatic hydrolysis, it releases 2-naphthol, which can then react to form a coloured product, allowing for the detection and quantification of enzyme activity.
Biochemical Research
This compound is employed in biochemical investigations to study enzyme kinetics and mechanisms. It is useful for screening enzyme inhibitors or activators and for characterising esterase activity in various biological samples.
Diagnostic Assays
As a chromogenic reagent, 2-Naphthyl butyrate can be incorporated into diagnostic assays for the detection of specific enzyme levels in clinical or industrial samples, aiding in disease diagnosis or quality control.
| Molecular weight | 214.26 |
|---|---|
| Empirical formula | C14H14O2 |
| Density | 1.12 g/mL at 25 °C(lit.) |
| Storage temperature | −20°C |


Hazard statements
- H302Harmful if swallowed
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Transport (UN / ADR) | UN 3082 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 20/22-50 |
| Safety statements (S) | 61 |
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-Naphthyl butyrate used for?
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2-Naphthyl butyrate is primarily used as an enzyme substrate, specifically for detecting and quantifying esterase activity in biochemical research and diagnostic assays. Upon hydrolysis, it releases 2-naphthol, which can be used to generate a detectable colour.
What is the CAS number and molecular formula for 2-Naphthyl butyrate?
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The CAS number for 2-Naphthyl butyrate is 5856-33-7, and its molecular formula is C14H14O2.
What grade and purity does Tech Serve Solutions supply for 2-Naphthyl butyrate?
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Tech Serve Solutions supplies 2-Naphthyl butyrate, typically as a research or technical grade chemical. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated otherwise in the product specifications. Please refer to the specific product's Certificate of Analysis for precise purity details.
How should 2-Naphthyl butyrate be handled and stored?
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2-Naphthyl butyrate is classified as harmful if swallowed or inhaled (H302 + H332) and is very toxic to aquatic life (H400). It requires handling with appropriate personal protective equipment in a well-ventilated area. Store at -20°C as indicated by the data.
Is 2-Naphthyl butyrate a controlled substance?
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Based on the provided data, 2-Naphthyl butyrate (CAS 5856-33-7) is not indicated as a controlled substance. Standard chemical handling procedures apply.
How is 2-Naphthyl butyrate packed and exported by TSS?
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Tech Serve Solutions packs and exports 2-Naphthyl butyrate according to international shipping regulations for chemicals. Due to its environmental hazard (H400), UN 3082 classification applies, requiring specific packaging and documentation for global shipment.
How can I request a quote or sample of 2-Naphthyl butyrate?
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To request a quote or a sample of 2-Naphthyl butyrate, please visit the Tech Serve Solutions website or contact our sales department directly with your specific requirements and delivery location.
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