Discover the new Chem-Impex: Where innovation starts with a bond.

Catalog Number:
22905
CAS Number:
554-73-4
Tropaeolin OO Indicator
Synonym(s):
4-[(4-Anilinophenyl)azo]benzenesulfonic acid sodium salt, Orange IV
Documents
$72.31 /25G
Pack Size Availability Price
Request Bulk Quote
Product Information

Orange IV is a vibrant azo dye known for its striking color and versatility in various applications. This compound, also recognized as sodium 4-[(4-anilinophenyl)diazenyl]benzenesulfonate, is widely utilized in the textile industry for dyeing fabrics, providing a bright orange hue that is both appealing and durable. Its excellent solubility in water makes it an ideal choice for aqueous dyeing processes, ensuring even distribution and colorfastness. Additionally, Orange IV finds applications in the food industry as a colorant, enhancing the visual appeal of products while adhering to regulatory standards.

Researchers and industry professionals appreciate Orange IV for its stability and ease of use in various formulations. Its unique properties allow for effective use in analytical chemistry as a reagent, particularly in colorimetric assays. The compound's compatibility with other materials and its ability to withstand various environmental conditions make it a reliable choice for diverse applications. Whether in textiles, food, or analytical chemistry, Orange IV continues to be a valuable asset for professionals seeking quality and performance in their projects.

Synonyms
4-[(4-Anilinophenyl)azo]benzenesulfonic acid sodium salt, Orange IV
CAS Number
554-73-4
Molecular Formula
C18H14N3O3SNa
Molecular Weight
375.38
MDL Number
MFCD00038130
PubChem ID
23668839
Appearance
Yellowish brown or orange powder
Conditions
Store at RT
General Information
Synonyms
4-[(4-Anilinophenyl)azo]benzenesulfonic acid sodium salt, Orange IV
CAS Number
554-73-4
Molecular Formula
C18H14N3O3SNa
Molecular Weight
375.38
MDL Number
MFCD00038130
PubChem ID
23668839
Appearance
Yellowish brown or orange powder
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Orange IV is widely utilized in research focused on:

  • Dyeing and Pigmentation: Commonly used in textile industries for dyeing fabrics, providing vibrant color and excellent lightfastness.
  • Biological Staining: Employed in laboratories for staining biological tissues and cells, aiding in microscopy and histological studies.
  • pH Indicator: Acts as a pH indicator in various chemical analyses, helping researchers determine acidity or alkalinity in solutions.
  • Food Coloring: Used in the food industry as a coloring agent, enhancing the visual appeal of products while adhering to safety regulations.
  • Research and Development: Valuable in developing new dyes and pigments, allowing for innovation in various applications such as coatings and plastics.

Citations