Description

3-Methyl-5-[(6-Sulpho-2-Naphthyl)Azo]Salicylic Acid is a specialized azo dye intermediate known for its distinct chromophoric structure, combining salicylic acid and naphthalene sulphonic acid moieties. This compound is valued for its ability to impart specific color properties and functional characteristics in advanced dye and pigment synthesis. It is primarily utilized by manufacturers in the colorant industry, particularly for producing high-performance dyes and pigments used in textiles, inks, and specialty coatings. The product is supplied to meet the stringent quality and consistency requirements of industrial-scale chemical production.

Application

• Primary intermediate for the synthesis of azo dyes and pigments.
• Key component in manufacturing colorants for textile dyeing and printing processes.
• Used in the production of inks for various printing applications.
• Employed in formulating specialty coatings and paints requiring specific color fastness.
• Potential use as a chemical reagent or analytical standard in research and quality control laboratories.
• Intermediate for colorants used in plastics and polymer coloration.

Basic Information

Product Name	3-Methyl-5-[(6-Sulpho-2-Naphthyl)Azo]Salicylic Acid
CAS No.	84100-02-7
Molecular Formula	C18H14N2O6S
Molecular Weight	386.38 g/mol
Synonyms	5-[(6-Sulfo-2-naphthalenyl)azo]-3-methylsalicylic acid; 3-Methyl-5-[(6-sulfo-2-naphthyl)azo]salicylic acid; C.I. Mordant Yellow 5R; Acid Mordant Yellow 5R; Salicylic acid, 3-methyl-5-[(6-sulfo-2-naphthyl)azo]-; Mordant Yellow 5R; 84100-02-7; 3-Methyl-5-(6-sulfo-2-naphthylazo)salicylic acid
EINECS	Contact for details

Quality Control

Our production of 3-Methyl-5-[(6-Sulpho-2-Naphthyl)Azo]Salicylic Acid adheres to a stringent quality management system to ensure batch-to-batch consistency and purity. The product undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet precise customer specifications. Certificates of Analysis (COA) documenting identity, purity, and related substances are provided with each shipment and are available upon request.

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, which may affect product stability and performance.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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