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Catalog Number:
22803
CAS Number:
23647-14-5
SPADNS
Grade:
ACS reagent
Synonym(s):
p-Sulfophenylazochromotropic acid trisodium salt, Sulfanilic acid azochromotrop
Documents
$29.34 /5G
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Product Information

SPADNS, also known as trisodium 4,5-dihydroxy-3-[(4-sulfonatophenyl)diazenyl]naphthalene-2,7-disulfonate, is a highly versatile compound widely utilized in various analytical and industrial applications. This azo dye is particularly valued for its exceptional stability and solubility in water, making it an ideal choice for colorimetric analysis, especially in the determination of heavy metals such as lead and cadmium. Researchers and industry professionals appreciate SPADNS for its ability to form stable complexes with metal ions, facilitating accurate and reliable measurements in environmental monitoring and quality control processes.

In addition to its analytical applications, SPADNS is also employed in the textile and dye industries due to its vibrant color and excellent lightfastness. Its unique properties allow for effective use in dyeing processes, enhancing the color quality of fabrics while maintaining environmental safety standards. With its broad range of applications, SPADNS stands out as a crucial compound for professionals seeking reliable solutions in both research and industrial settings.

Synonyms
p-Sulfophenylazochromotropic acid trisodium salt, Sulfanilic acid azochromotrop
CAS Number
23647-14-5
Grade
ACS reagent
Molecular Formula
C16H9N2O11S3·3Na
Molecular Weight
570.42
MDL Number
MFCD00003952
PubChem ID
90221
Melting Point
> 300 °C
Appearance
Dark brownish red powder
Conditions
Store at RT
General Information
Synonyms
p-Sulfophenylazochromotropic acid trisodium salt, Sulfanilic acid azochromotrop
CAS Number
23647-14-5
Grade
ACS reagent
Molecular Formula
C16H9N2O11S3·3Na
Molecular Weight
570.42
MDL Number
MFCD00003952
PubChem ID
90221
Melting Point
> 300 °C
Appearance
Dark brownish red powder
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

SPADNS is widely utilized in research focused on:

  • Colorimetric Analysis: SPADNS is commonly used as a reagent in colorimetric assays to determine the concentration of various metal ions, particularly in water quality testing. Its ability to form stable colored complexes makes it an essential tool for environmental monitoring.
  • Analytical Chemistry: This compound serves as a standard in analytical chemistry for calibrating instruments and validating methods. Its consistent behavior under various conditions allows researchers to achieve accurate and reproducible results.
  • Textile Industry: In the textile sector, SPADNS is employed as a dyeing agent, providing vibrant colors to fabrics. Its effectiveness in producing bright shades makes it a preferred choice for manufacturers looking to enhance the aesthetic appeal of their products.
  • Food Industry: SPADNS is used in food testing to detect the presence of certain contaminants. Its application in ensuring food safety helps manufacturers comply with regulatory standards and maintain consumer trust.
  • Pharmaceutical Research: In pharmaceutical development, SPADNS can be utilized in the formulation of drug delivery systems. Its properties facilitate the controlled release of active ingredients, improving therapeutic efficacy.

Citations