Description

Disodium 4-(Benzoylamino)-5-Hydroxy-6-[(m-Tolyl)Azo]Naphthalene-1,7-Disulphonate is a high-purity, synthetic organic compound belonging to the azo dye class, valued for its specific colorant properties and chemical stability. This product is engineered for applications requiring precise coloration and consistent performance in demanding industrial environments. It serves as a critical intermediate and functional dye for manufacturers in the textile, ink, and specialty chemical sectors seeking reliable and high-quality colorants.

Application

• Textile Dyeing: Used as a key dye or dye intermediate for coloring synthetic and natural fibers, offering good wash and light fastness.
• Ink Formulation: Employed in the production of industrial inks, including inks for packaging, printing, and specialty marking.
• Pigment Manufacturing: Acts as a precursor or component in the synthesis of high-performance organic pigments.
• Research & Development: Serves as a standard or reagent in chemical research, analytical method development, and quality control laboratories.
• Specialty Coatings: Incorporated into formulations for coatings where specific color properties are required.
• Plastics and Polymers: Used for mass coloration of plastics and polymers during manufacturing.

Basic Information

Product Name	Disodium 4-(Benzoylamino)-5-Hydroxy-6-[(m-Tolyl)Azo]Naphthalene-1,7-Disulphonate
CAS No.	6362-44-3
Molecular Formula	C24H17N3Na2O8S2
Molecular Weight	585.51 g/mol
Synonyms	Acid Red 299; C.I. 18130; Disodium 4-(benzoylamino)-5-hydroxy-6-[(3-methylphenyl)azo]naphthalene-1,7-disulphonate; 4-(Benzoylamino)-5-hydroxy-6-[(3-methylphenyl)azo]-1,7-naphthalenedisulfonic acid disodium salt; m-Tolyl Azo Naphthalene Disulphonate; Benzenesulfonic acid, 4-[[4-(benzoylamino)-5-hydroxy-6-[(3-methylphenyl)azo]-1-naphthalenyl]sulfonyl]-, sodium salt (1:2); 6-[(3-Methylphenyl)azo]-4-(benzoylamino)-5-hydroxy-1,7-naphthalenedisulfonic acid disodium salt
EINECS	228-864-3

Quality Control

Our Disodium 4-(Benzoylamino)-5-Hydroxy-6-[(m-Tolyl)Azo]Naphthalene-1,7-Disulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and color strength are available upon request to support your quality assurance protocols.

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, which may affect product quality.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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