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Catalog Number:
29858
CAS Number:
4197-07-3
Chromotrope 2R
Purity:
≥ 75% (Dye content)
Synonym(s):
Acid red 29, 2-(Phenylazo)chromotropic acid disodium salt, CI 16570
Documents
$50.00 /25G
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Product Information

Chromotrope 2R is a vibrant azo dye known for its exceptional coloring properties, particularly in the textile and paper industries. This compound exhibits excellent solubility in water, making it an ideal choice for applications requiring vivid and stable coloration. Its unique structure, characterized by the presence of multiple sulfonate groups, enhances its affinity for various substrates, allowing for efficient dyeing processes. Researchers and industry professionals often utilize Chromotrope 2R in histological staining, where it serves as a reliable indicator for cellular components due to its strong absorption characteristics.

In addition to its applications in textiles and histology, Chromotrope 2R is also employed in the formulation of inks and paints, providing a bright and long-lasting color that meets the demands of modern manufacturing. Its compatibility with various materials and ease of use make it a preferred choice among professionals seeking high-performance dyes. With its proven track record and versatility, Chromotrope 2R stands out as a valuable asset in both research and industrial settings.

Synonyms
Acid red 29, 2-(Phenylazo)chromotropic acid disodium salt, CI 16570
CAS Number
4197-07-3
Purity
≥ 75% (Dye content)
Molecular Formula
C16H10N2Na2O8S2
Molecular Weight
468.37
MDL Number
MFCD00003955
PubChem ID
20172
Appearance
Brownish red to dark red powder
Conditions
Store at RT
General Information
Synonyms
Acid red 29, 2-(Phenylazo)chromotropic acid disodium salt, CI 16570
CAS Number
4197-07-3
Purity
≥ 75% (Dye content)
Molecular Formula
C16H10N2Na2O8S2
Molecular Weight
468.37
MDL Number
MFCD00003955
PubChem ID
20172
Appearance
Brownish red to dark red 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

Chromotrope 2R is widely utilized in research focused on:

  • Biological Staining: This compound is commonly used as a dye in histology and microbiology to stain tissues and cells, enhancing visibility under a microscope.
  • Analytical Chemistry: It serves as a reagent in various analytical techniques, including spectrophotometry, to quantify substances in complex mixtures.
  • Textile Industry: Chromotrope 2R is employed as a colorant in textiles, providing vibrant colors while maintaining good fastness properties, making it suitable for various fabric types.
  • Food Industry: This dye is used in food products to enhance appearance, ensuring compliance with safety regulations while providing an appealing look to consumers.
  • Research and Development: In laboratories, it is utilized in the development of new dyes and pigments, contributing to advancements in materials science and color chemistry.

Citations