Description

2-Hydroxy-3-Methyl-5-((4-Sulfophenyl)Azo)Benzoic Acid is a specialized azo dye intermediate and analytical reagent known for its distinct chromophoric properties. This compound is critical for synthesizing high-value colorants and serves as a precise chemical probe in various analytical methodologies. It is primarily required by manufacturers in the dye and pigment industry, as well as by research and quality control laboratories for colorimetric analysis and diagnostic applications.

Application

• Dye and Pigment Synthesis: A key intermediate for producing azo dyes and pigments used in textiles, inks, and coatings.
• Analytical Reagent: Employed in colorimetric assays and as a pH indicator or complexometric agent in laboratory analysis.
• Biological Staining: Potential use in histological stains for microscopy in life science research.
• Chemical Research: Serves as a building block in organic synthesis and materials science research for novel chromophores.
• Photographic Industry: Can be utilized in the formulation of light-sensitive layers for specialized photographic materials.

Basic Information

Item	Details
Product Name	2-Hydroxy-3-Methyl-5-((4-Sulfophenyl)Azo)Benzoic Acid
CAS No.	6408-91-9
Molecular Formula	C14H12N2O5S
Molecular Weight	320.32 g/mol
Synonyms	3-Methyl-2-hydroxy-5-[(4-sulfophenyl)azo]benzoic acid; Mordant Orange 6; C.I. 14270; Acid Orange 6; Benzoic acid, 2-hydroxy-3-methyl-5-[(4-sulfophenyl)azo]-; 5-[(4-Sulfophenyl)azo]-3-methylsalicylic acid; C.I. Mordant Orange 6; Alizarine Orange R
EINECS	229-077-5

Quality Control

Our production of 2-Hydroxy-3-Methyl-5-((4-Sulfophenyl)Azo)Benzoic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling via HPLC and spectroscopic methods. A Certificate of Analysis (COA) detailing all test results is provided to ensure traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Orange to red-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.