Description

5-[[2-[(2-Amino-8-Hydroxy-6-Sulpho-1-Naphthyl)Azo]-4-Sulphophenyl]Sulphonyl]Salicylic Acid, Sodium Salt is a high-purity, water-soluble azo dye intermediate and analytical reagent. This compound is valued for its strong chromophoric properties and ability to form stable complexes with metal ions, making it essential for precise colorimetric analysis and specialized dye synthesis. It is primarily needed by manufacturers in the analytical chemistry, specialty dye, and research sectors for applications requiring high sensitivity and specificity.

Application

• Analytical Reagent: Used as a sensitive colorimetric reagent for the detection and quantification of specific metal ions (e.g., aluminum, iron) in environmental and industrial samples.
• Dye Intermediate: Serves as a key precursor in the synthesis of acid dyes and reactive dyes for textiles, leather, and paper.
• Biochemical Staining: Employed in histological and cytological staining procedures in life science research.
• Photometric Analysis: Utilized in spectrophotometric methods for trace metal analysis in water treatment and pharmaceutical quality control.
• Indicator Synthesis: A building block for manufacturing pH indicators and other specialized chemical indicators.
• Research & Development: Used in academic and industrial R&D for developing new analytical methods and chromogenic compounds.

Basic Information

Product Name	5-[[2-[(2-Amino-8-Hydroxy-6-Sulpho-1-Naphthyl)Azo]-4-Sulphophenyl]Sulphonyl]Salicylic Acid, Sodium Salt
CAS No.	83784-15-0
Molecular Formula	C23H15N3O11S3Na
Molecular Weight	644.56 g/mol
Synonyms	Acid Red 299 (related dye class); 5-[(2-[(2-Amino-8-hydroxy-6-sulfo-1-naphthyl)azo]-4-sulfophenyl)sulfonyl]-2-hydroxybenzoic acid sodium salt; Sodium 5-[[2-[(2-amino-8-hydroxy-6-sulfo-1-naphthyl)azo]-4-sulfophenyl]sulfonyl]salicylate; Azo dye intermediate for metal analysis; Salicylic acid azo dye derivative; CI 18134 (related color index); Mordant dye intermediate
EINECS	Contact for details

Quality Control

Our production of 5-[[2-[(2-Amino-8-Hydroxy-6-Sulpho-1-Naphthyl)Azo]-4-Sulphophenyl]Sulphonyl]Salicylic Acid, Sodium Salt adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee traceability and quality assurance for your critical applications.

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 after use to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark red to 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
Solubility (in Water)	Clear, complete solution

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