Description

Trisodium Bis[2-[[2,4-Dihydroxy-3-[(2-Methyl-4-Sulphophenyl)Azo]Phenyl]Azo]Benzoato(3-)]Chromate(3-) is a high-purity, complex chromium azo dye salt valued for its exceptional color strength and stability. This compound is critical for industries requiring precise and durable coloration in specialized applications. It is primarily sought after by manufacturers in the pigment, specialty coatings, and advanced materials sectors for its performance characteristics.

Application

• Pigment Manufacturing: Serves as a key intermediate or final colorant for producing high-performance organic pigments.
• Specialty Coatings and Inks: Used in formulations requiring specific hue, lightfastness, and chemical resistance.
• Plastics and Polymer Coloring: Imparts stable color to engineering plastics and synthetic fibers.
• Research and Development: Acts as a standard or reagent in chemical research for dye synthesis and material science studies.
• Analytical Chemistry: May be utilized as a complexometric indicator or in specialized detection methods.

Basic Information

Item	Details
Product Name	Trisodium Bis[2-[[2,4-Dihydroxy-3-[(2-Methyl-4-Sulphophenyl)Azo]Phenyl]Azo]Benzoato(3-)]Chromate(3-)
CAS No.	75234-41-2
Molecular Formula	C40H24CrN6Na3O14S2
Molecular Weight	Contact for details
Synonyms	Chromate(3-), trisodium bis[2-[[2,4-dihydroxy-3-[(2-methyl-4-sulfophenyl)azo]phenyl]azo]benzoato(3-)]-; C.I. Mordant Black 17; Acid Chrome Black T; Chrome Black T; Eriochrome Black T; Sodium 4,4'-[1-Hydroxy-2-naphthylazo]bis[3-hydroxy-7-nitro-1-naphthalenesulfonate] Chromate Complex; Trisodium (4E)-4-[[7-Hydroxy-8-[(2-hydroxy-5-nitrophenyl)azo]-1-naphthyl]hydrazinylidene]-3-oxo-5-[[4-sulfo-2-methylphenyl]azo]naphthalene-2,7-disulfonate Chromate Complex
EINECS	Contact for details

Quality Control

Our Trisodium Bis[2-[[2,4-Dihydroxy-3-[(2-Methyl-4-Sulphophenyl)Azo]Phenyl]Azo]Benzoato(3-)]Chromate(3-) is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Chromium Content	Contact for details
Sulfated Ash	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.