Product Name
2,3-Diaminonaphthalene, 97%
Molecular Formula
C10H10N2
Certificate of Analysis (COA)
Synonyms
2,3-Naphthalenediamine
IUPAC Name
naphthalene-2,3-diamine
InChI Key
XTBLDMQMUSHDEN-UHFFFAOYSA-N
SMILES
C1=CC=C2C=C(C(=CC2=C1)N)N
Product Introduction
2,3-Diaminonaphthalene (DAN) is a highly sensitive fluorogenic derivatization reagent widely used for the detection and analysis of selenium compounds, aldehydes, and nitrite-related analytes. Due to its aromatic diamine structure, DAN readily reacts with specific analytes to form highly fluorescent products, enabling sensitive analytical measurements.
This compound is extensively used in analytical chemistry, environmental testing, biochemical analysis, and clinical research, particularly in methods requiring fluorescence-based detection.
Its strong fluorescence response and high analytical sensitivity make DAN a valuable reagent for trace analysis and quantitative determination.
Chemical Properties and Reaction Mechanism
2,3-Diaminonaphthalene functions as a fluorescent derivatization reagent.
In analytical reactions:
- DAN reacts with selenite or selenium-containing compounds
- Forms fluorescent piazselenol derivatives
- Can also react with certain aldehydes and nitrosating species under defined conditions
Key detection features:
- Produces highly fluorescent derivatives
- Suitable for trace-level analysis
- Compatible with fluorescence spectroscopy, HPLC, and analytical detection methods
Reaction efficiency depends on pH, reaction time, and sample composition.
Key Research Applications
1.Selenium Analysis
DAN is widely used for sensitive determination of selenium species.
Typical applications include:
- Selenite detection assays
- Trace selenium quantification
- Environmental and biological selenium analysis
2.Fluorescence Derivatization Methods
The compound is commonly used in analytical derivatization workflows.
Applications include:
- Fluorescence labeling reactions
- HPLC derivatization methods
- Analytical method development
3.Environmental and Food Analysis
DAN is useful in trace chemical monitoring.
Applications include:
- Water quality analysis
- Food contaminant studies
- Environmental sample testing
4.Biochemical and Clinical Research
Widely used in bioanalytical and diagnostic research.
Applications include:
- Biomarker analysis
- Clinical sample testing
- Trace analyte determination
Recommended Experimental Conditions
| Parameter |
Recommended Conditions |
| Detection Method |
Fluorescence detection, HPLC analysis |
| Detection Output |
Fluorescent derivative formation |
| Buffer Systems |
Acidic buffer systems (optimize per application) |
| Temperature |
Room temperature–37 °C |
| Assay Format |
HPLC assays, fluorescence assays |
Experimental conditions should be optimized based on analyte type and analytical method.
Advantages in Enzyme Assays
- High sensitivity for fluorescence detection
- Suitable for trace-level analytical applications
- Compatible with HPLC and fluorescence methods
- Enables selective derivatization of target analytes
- Widely used in analytical and biochemical research
Storage & Handling
Store under inert gas, Heat sensitive, Air sensitive, Store at 2-8 ℃.
Store in a cool place. Keep container tightly closed in a dry and well ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.
Research Areas
Researchers working in the following fields may benefit from this compound:
- Analytical chemistry and fluorescence detection research
- Environmental and food analysis
- Biochemical and clinical testing
- Trace element and selenium analysis
- Method development and analytical assay optimization
Frequently Asked Questions (FAQ)
What is 2,3-Diaminonaphthalene used for?
It is commonly used as a fluorescent derivatization reagent for selenium analysis and trace analyte detection.
How does DAN work in analytical assays?
DAN reacts with specific analytes to form fluorescent derivatives, enabling sensitive detection by fluorescence spectroscopy or HPLC methods.
Why is 2,3-Diaminonaphthalene used for selenium detection?
Because it reacts with selenite and related selenium species to generate highly fluorescent products, allowing trace-level quantification.
Can DAN be used in HPLC analysis?
Yes, DAN is widely used in HPLC derivatization methods to improve analyte sensitivity and fluorescence detection.
Is 2,3-Diaminonaphthalene suitable for environmental analysis?
Yes, it is commonly applied in environmental, food, and biological sample analysis, particularly for monitoring low-concentration analytes.
What detection methods are compatible with DAN-derived products?
Typical analytical methods include fluorescence spectroscopy, HPLC-fluorescence detection, and bioanalytical assays.
Does reaction performance depend on assay conditions?
Yes, factors such as pH, temperature, reaction time, and sample matrix can influence derivatization efficiency and should be optimized experimentally.