Cat. No JK102273_1_G
J&K Chemical

Product Information

Product Name
2,3-Diaminonaphthalene, 97%
Brand Name
J&K
Product Number
102273
CAS
771-97-1
Molecular Formula
C10H10N2
Molecular Weight
158.20
SDS Document
Certificate of Analysis (COA)​
COA not found

General Information

Synonyms
2,3-Naphthalenediamine
PubChem CID
69872
IUPAC Name
naphthalene-2,3-diamine
InChI Key
XTBLDMQMUSHDEN-UHFFFAOYSA-N
SMILES
C1=CC=C2C=C(C(=CC2=C1)N)N

Properties

Melting Point
193-199

Safety Information

GHS Symbols
Hazard Symbol
Hazard Symbol
Hazard Symbol
Signal Word
Danger
Hazard Statement
H302
H315
H319
H335
H350
Precautionary Statement
P270
P330
P501
P280
P321
P261
P271
P319
P405
P203
P318
P301+P317
P302+P352
P332+P317
P362+P364
P264+P265
P305+P351+P338
P337+P317
P304+P340
P403+P233
Storage Condition
Store at 2-8℃

Description

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

 

FAQ

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.

2,3-Diaminonaphthalene, 97%

Just added to your wishlist:
My Wishlist
You've just added this product to the cart:
Go to cart page