Description

4,4''-(Diazoamino)Dibenzenesulfonic Acid Disodium Salt is a specialized diazo compound and an important chemical intermediate. This product matters for its role as a key precursor in the synthesis of dyes, pigments, and other functional organic molecules. It is primarily needed by manufacturers in the dye and pigment industry, as well as by research and development laboratories focused on advanced material science and organic synthesis.

Application

• Primary intermediate in the synthesis of azo dyes and pigments for textiles, inks, and plastics.
• Key building block for the production of functional colorants with specific light-fastness and chemical resistance properties.
• Used in research and development of photoactive materials and advanced organic compounds.
• Potential precursor in the manufacture of optical brighteners and specialty chemicals.
• Employed in analytical chemistry as a reagent or standard for method development and calibration.

Basic Information

Product Name	4,4''-(Diazoamino)Dibenzenesulfonic Acid Disodium Salt
CAS No.	56120-28-6
Molecular Formula	C18H12N4Na2O6S2
Molecular Weight	482.41 g/mol
Synonyms	4,4'-Diazoaminodibenzenesulfonic Acid Disodium Salt; Disodium 4,4'-(diazenediylbis(azanediyl))dibenzenesulfonate; 4,4'-(Diazoamino)dibenzenesulfonic Acid Sodium Salt; Diazoaminodibenzenesulfonic Acid Disodium Salt; 4,4'-Diazoaminodibenzenesulfonate Disodium; C.I. 37240; Acid Yellow 36 (related dye class)
EINECS	Contact for details

Quality Control

Our 4,4''-(Diazoamino)Dibenzenesulfonic Acid Disodium Salt is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance as a chemical intermediate. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

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 light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility	Soluble in water

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