Description

Chromate(2-), [1-[(2-hydroxy-3,5-dinitrophenyl) azo]-2-naphthalenolato(2-)][3-hydroxy-4-[ (2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonat o(3-)]-, sodium hydrogen is a complex, high-purity azo dye intermediate and coordination compound. This product is valued for its precise molecular structure, which is critical for producing vivid and stable colorants in demanding industrial applications. It is primarily required by manufacturers in the specialty dyes and pigments, advanced materials research, and analytical chemistry reagent sectors.

Application

• Specialty Dye and Pigment Synthesis: Serves as a key chromophoric intermediate for manufacturing high-performance azo dyes and pigments, particularly for applications requiring specific color fastness and stability.
• Analytical Chemistry Reagent: Used as a complexometric indicator or a specialized reagent in colorimetric analysis and metal ion detection due to its distinct chromogenic properties.
• Research & Development: Employed in advanced materials science for developing novel colorants, sensors, or functional dyes with specific optical properties.
• Ink Formulation: A potential component in the formulation of specialty inks for security printing or high-durability industrial marking.
• Catalyst and Coordination Chemistry: May be utilized in research involving transition metal complexes and catalytic systems.

Basic Information

Item	Details
Product Name	Chromate(2-), [1-[(2-hydroxy-3,5-dinitrophenyl) azo]-2-naphthalenolato(2-)][3-hydroxy-4-[ (2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonat o(3-)]-, sodium hydrogen
CAS No.	93606-20-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sodium hydrogen [1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]chromate(2-); Complex Azo Dye Chromate Salt; C.I. Mordant Black; Acid Chrome Dye Intermediate; Azo-chrome complex; Sodium 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-1-naphthalenesulfonate chromium complex; Chromium azo dye lake
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed against stringent in-house specifications, which typically include identity confirmation, assay, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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