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Catalog Number:
41858
CAS Number:
74543-21-8
4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt
Grade:
suitable for Hematology & Histology
Purity:
≥ 95% (Dye content)
Synonym(s):
2-Amino-5-([4-sulfophenyl]azo)benzenesulfonic acid monosodium salt, Acid Yellow 9 monosodium salt
Documents
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Product Information

4-Amino-1,1'-azobenzene-3,4'-disulfonic acid monosodium salt is a versatile compound widely utilized in various industrial and research applications. This compound, also known as sodium 4-[(4-amino-3-sulfophenyl)diazenyl]benzenesulfonate, is particularly valued for its role as a dye intermediate and in the synthesis of azo dyes, which are essential in textile and paper industries. Its unique sulfonic acid groups enhance solubility in water, making it an ideal choice for applications requiring high stability and colorfastness.

In addition to its use in dye production, this compound serves as a reagent in analytical chemistry, particularly in colorimetric assays and as a pH indicator. Its ability to form stable complexes with metal ions also opens avenues for its use in catalysis and environmental monitoring. Researchers and industry professionals appreciate its effectiveness in enhancing the performance of various formulations, making it a valuable addition to any laboratory or production line focused on dye chemistry or analytical applications.

Synonyms
2-Amino-5-([4-sulfophenyl]azo)benzenesulfonic acid monosodium salt, Acid Yellow 9 monosodium salt
CAS Number
74543-21-8
Purity
≥ 95% (Dye content)
Grade
suitable for Hematology & Histology
Molecular Formula
C12H10N3NaO6S2
Molecular Weight
379.34
MDL Number
MFCD03411548
PubChem ID
44152902
Appearance
Brown, red or purple powder
Conditions
Store at RT
General Information
Synonyms
2-Amino-5-([4-sulfophenyl]azo)benzenesulfonic acid monosodium salt, Acid Yellow 9 monosodium salt
CAS Number
74543-21-8
Purity
≥ 95% (Dye content)
Grade
suitable for Hematology & Histology
Molecular Formula
C12H10N3NaO6S2
Molecular Weight
379.34
MDL Number
MFCD03411548
PubChem ID
44152902
Appearance
Brown, red or purple powder
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

4-Amino-1,1'-azobenzene-3,4'-disulfonic acid monosodium salt is widely utilized in research focused on:

  • Dyes and Pigments: This compound is primarily used in the textile industry as a dye, providing vibrant colors and excellent lightfastness, making it ideal for fabrics that require durability.
  • Analytical Chemistry: It serves as a reagent in various analytical methods, including spectrophotometry, to detect and quantify substances in complex mixtures, enhancing accuracy in research and quality control.
  • Biological Research: The compound is employed in the development of biosensors and assays, particularly for studying enzyme activities and interactions, which are crucial in biochemistry and molecular biology.
  • Pharmaceutical Applications: It is used in the formulation of certain medications, where its properties help in stabilizing active ingredients, improving bioavailability and therapeutic efficacy.
  • Environmental Monitoring: This chemical is utilized in the detection of pollutants in water samples, aiding environmental scientists in assessing water quality and ensuring compliance with safety standards.

Citations