Description

Sodium 3-[(2,4-Diaminophenyl)Azo]-4-Hydroxybenzenesulphonate is a high-purity azo dye intermediate and analytical reagent, valued for its precise chemical structure and consistent performance. This compound is critical for applications requiring reliable color formation and specific chemical reactivity. It is primarily utilized by manufacturers in the dye and pigment industry, as well as by research laboratories for analytical and diagnostic purposes.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of specialized azo dyes for textiles, inks, and coatings.
• Analytical Reagent: Used in chemical analysis and diagnostic kits as a chromogenic agent for detection and quantification.
• Research & Development: Serves as a building block in organic synthesis and materials science research.
• Photographic Chemicals: Potential use in the formulation of light-sensitive layers and color developers.
• Biological Staining: Can be employed in histological staining procedures in life sciences.

Basic Information

Product Name	Sodium 3-[(2,4-Diaminophenyl)Azo]-4-Hydroxybenzenesulphonate
CAS No.	6054-80-4
Molecular Formula	C12H11N4NaO4S
Molecular Weight	330.30 g/mol
Synonyms	Sodium 3-[(2,4-Diaminophenyl)diazenyl]-4-hydroxybenzenesulfonate; 4-Hydroxy-3-[(2,4-diaminophenyl)azo]benzenesulfonic Acid Sodium Salt; C.I. 37240; Benzenesulfonic acid, 4-hydroxy-3-[(2,4-diaminophenyl)azo]-, monosodium salt; 2,4-Diaminoazobenzene-4'-sulfonic Acid Sodium Salt; Azoic Diazo Component 12 Sodium Salt; Sodium 4-Hydroxy-3-(2,4-diaminophenylazo)benzenesulfonate
EINECS	227-977-2

Quality Control

Our Sodium 3-[(2,4-Diaminophenyl)Azo]-4-Hydroxybenzenesulphonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and research use. Certificates of Analysis (COA) documenting all critical parameters 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 degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Brownish-red to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (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.