Description

4-Amino-3-[[4-[[4-[(2-Amino-4-Hydroxyphenyl)Azo]Phenyl]Amino]-3-Sulfophenyl]Azo]-5-Hydroxy-6-(Phenylazo)-2,7-Naphthalenedisulfonic Acid, Trilithium Salt is a high-purity, multi-functional azo dye intermediate and analytical reagent. This compound is valued for its complex structure which provides specific chromophoric and chelating properties, making it essential for advanced colorant synthesis and specialized chemical detection. It is primarily required by manufacturers in the dyes and pigments, analytical chemistry, and specialty chemical research sectors seeking precise molecular building blocks.

Application

• Primary Intermediate for Complex Azo Dyes: Serves as a critical precursor in the synthesis of high-performance, polyazo dyes for textiles, inks, and coatings.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific lightfastness and color strength properties.
• Analytical Reagent & Chelating Agent: Employed in laboratory settings as a colorimetric reagent or metal ion indicator due to its distinct chromogenic response.
• Research & Development: Utilized in chemical R&D for studying azo coupling reactions and developing novel functional dyes.
• Photographic Chemicals: Potential application in the formulation of specialized photographic and imaging chemicals.

Basic Information

Item	Details
Product Name	4-Amino-3-[[4-[[4-[(2-Amino-4-Hydroxyphenyl)Azo]Phenyl]Amino]-3-Sulfophenyl]Azo]-5-Hydroxy-6-(Phenylazo)-2,7-Naphthalenedisulfonic Acid, Trilithium Salt
CAS No.	108936-08-9
Molecular Formula	C34H22Li3N8O14S3
Molecular Weight	~ 900.7 g/mol (Contact for exact details)
Synonyms	Acid Black 210; C.I. 300310; Trilithium 4-amino-3-{[4-({4-[(2-amino-4-hydroxyphenyl)diazenyl]phenyl}amino)-3-sulfophenyl]diazenyl}-5-hydroxy-6-(phenyldiazenyl)naphthalene-2,7-disulfonate; 300310; Acid Black 210, lithium salt; Azo Black; Polyazo dye intermediate; CAS 108936-08-9
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC and spectroscopic methods, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment to guarantee it meets your technical 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). This material is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Dark powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Heavy Metals (as Pb)	Max. 20 ppm
Residual Solvents	Complies with ICH guidelines

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