Description

2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]-, compds. with N,N'-bis(mixed Ph and tolyl and xylyl)guanidine monohydrochloride is a specialized, high-performance azo dye complex valued for its color strength and stability. This compound is engineered to deliver consistent, vibrant coloration and is critical for manufacturers requiring precise and durable pigments. It is primarily utilized in the production of advanced inks, industrial colorants, and specialty coatings for demanding applications.

Application

• Industrial Ink Formulation: A key component for high-performance printing inks, including those used in packaging and textiles.
• Pigment and Dye Manufacturing: Serves as a crucial intermediate or final colorant for producing organic pigments.
• Specialty Coatings: Used in coatings for plastics, metals, and other substrates where color fastness is required.
• Textile Dyeing: Employed in dyeing processes for synthetic fibers to achieve deep, stable shades.
• Research & Development: Used as a reference standard or active component in chemical research and new product development.
• Plastics and Polymer Coloring: Imparts color to polymers during the masterbatch production process.

Basic Information

Product Name	2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]-, compds. with N,N'-bis(mixed Ph and tolyl and xylyl)guanidine monohydrochloride
CAS No.	73507-36-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Acid Black 210; C.I. 300310; Acid Black 210; 7-(Benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-2-naphthalenesulfonic acid compound with N,N'-bis(mixed phenyl and tolyl and xylyl)guanidine monohydrochloride; Azo dye complex with substituted guanidine; Black 210; Acid Black 210 dye salt
EINECS	Contact for details

Quality Control

Our production of this azo dye complex adheres to stringent quality control protocols to ensure batch-to-batch consistency and performance. Every lot is tested against key parameters for color value, purity, and application performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment to support your quality assurance processes.

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); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Heavy Metals (as Pb)	Max. 20 ppm
Solubility	Soluble in water
pH (1% solution)	Contact for details

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