Description

Benzoic Acid, 4-1-Hydroxy-6-5-Hydroxy-6-(2-Methyl-4-Sulfophenyl)Azo-7-Sulfo-2-Naphthalenylaminocarbonylamino-3-Sulfo-2-Naphthalenylazo-, Sodium Salt is a complex, high-purity synthetic organic compound belonging to the azo dye and pigment chemical class. This product is engineered for applications demanding precise color properties and chemical stability, serving as a critical intermediate or functional colorant. It is essential for manufacturers in the specialty chemicals, advanced materials, and high-performance coatings sectors who require reliable, consistent quality for their formulations.

Application

• Primary use as a key intermediate in the synthesis of high-value azo dyes and pigments for textiles and inks.
• Specialty colorant for advanced industrial coatings and functional polymers requiring specific light-fastness.
• Potential component in the formulation of sensitizers and functional dyes for imaging and photographic applications.
• Research and development of novel optical materials and chemical sensors.
• Used in the production of specialty inks for security printing and high-resolution printing.
• Intermediate for fine chemicals and other complex organic syntheses in pharmaceutical and agrochemical research.

Basic Information

Product Name	Benzoic Acid, 4-1-Hydroxy-6-5-Hydroxy-6-(2-Methyl-4-Sulfophenyl)Azo-7-Sulfo-2-Naphthalenylaminocarbonylamino-3-Sulfo-2-Naphthalenylazo-, Sodium Salt
CAS No.	72245-49-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sodium 4-[(6-{[(5-hydroxy-6-[(2-methyl-4-sulfophenyl)azo]-7-sulfo-2-naphthyl)carbamoyl]amino}-3-sulfo-2-naphthyl)azo]benzoate; Benzoic acid, 4-[(6-[[[5-hydroxy-6-[(2-methyl-4-sulfophenyl)azo]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-sulfo-2-naphthalenyl]azo-, sodium salt (1:?); C.I. Acid Orange 156; Acid Orange 156; Azo dye intermediate 72245-49-9; 4-[(6-{[(5-Hydroxy-6-[(2-methyl-4-sulfophenyl)azo]-7-sulfo-2-naphthyl)carbamoyl]amino}-3-sulfo-2-naphthyl)azo]benzoic acid sodium salt; Complex sulfonated azo dye sodium salt
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 using advanced techniques including HPLC and spectrophotometry to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to support your quality assurance and regulatory 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 absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	Max. 20 ppm
Solubility (Water)	Soluble

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