Description

3-[[[1-(2,5-Disulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol]-4-yl]azo]-7-[(2,5,6-trichloro-4-pyrimidinyl)amino]-1,5-naphthalenedisulfonic acid tetrasodium salt is a high-purity, water-soluble synthetic organic dye belonging to the class of azo pyrazolone compounds. This chemical is engineered for applications requiring exceptional color strength and specific spectral properties. It is primarily utilized by manufacturers in the specialty dyes and pigments industry, as well as in advanced material science research.

Application

• Specialty Dye Manufacturing: A key intermediate for producing high-performance dyes and pigments.
• Textile Dyeing: Used in the synthesis of dyes for coloring synthetic and natural fibers.
• Ink Formulation: Serves as a colorant component in specialty printing inks.
• Functional Material Research: Investigated for use in organic semiconductors, sensors, and light-harvesting materials.
• Analytical Chemistry: Potential use as a chromogenic reagent or indicator in specific analytical methods.
• Laser Dyes: Can be explored for use in tunable dye lasers due to its complex aromatic structure.

Basic Information

Item	Details
Product Name	3-[[[1-(2,5-Disulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol]-4-yl]azo]-7-[(2,5,6-trichloro-4-pyrimidinyl)amino]-1,5-naphthalenedisulfonic acid tetrasodium salt
CAS No.	72379-61-4
Molecular Formula	C24H14Cl3N7Na4O14S4
Molecular Weight	Contact for details
Synonyms	Acid Black 210; C.I. 300310; Tetrasodium 3-[[1-(2,5-disulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-7-[(2,5,6-trichloro-4-pyrimidinyl)amino]-1,5-naphthalenedisulfonate; 1,5-Naphthalenedisulfonic acid, 3-[[1-(2,5-disulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-7-[(2,5,6-trichloro-4-pyrimidinyl)amino]-, tetrasodium salt; Azo pyrazolone black dye; AB 210
EINECS	Contact for details

Quality Control

Our production of this specialty dye intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and performance reliability. Every lot is analyzed against stringent in-house specifications, with key parameters including chromatographic purity (HPLC), color strength, and heavy metal content. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

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

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