Description

5-(4-Dimethylaminophenyl)Diazenylbenzene-1,3-Disulfonic Acid is a specialized diazo compound featuring a disulfonic acid functional group, making it a valuable intermediate for synthesizing dyes and pigments. Its structure provides excellent chromophoric properties and water solubility, which is critical for developing high-performance colorants. This product is essential for manufacturers in the fine chemical, textile dye, and advanced material research sectors seeking to create vibrant and stable colors.

Application

• Primary intermediate for the synthesis of azo dyes and pigments, particularly for textiles and inks.
• Key building block in the production of acid dyes for wool, silk, and nylon.
• Used in research and development of functional dyes for non-textile applications, such as lasers and optical media.
• Potential precursor for biological staining agents and diagnostic reagents in life sciences.
• Intermediate in the manufacture of colorants for paper and specialty coatings.
• Starting material for creating metal-complex dyes with enhanced light and wash fastness.

Basic Information

Product Name	5-(4-Dimethylaminophenyl)Diazenylbenzene-1,3-Disulfonic Acid
CAS No.	125183-57-5
Molecular Formula	C14H15N3O6S2
Molecular Weight	385.42 g/mol
Synonyms	5-[(4-Dimethylaminophenyl)diazenyl]benzene-1,3-disulfonic Acid; 4-Dimethylaminoazobenzene-2',4'-disulfonic Acid; C.I. 11160; Methyl Orange Disulfonic Acid Derivative; DADBS Acid; p-(Dimethylamino)azobenzene-m-disulfonic Acid; Azobenzene-2',4'-disulfonic acid, 4-(dimethylamino)-
EINECS	Contact for details

Quality Control

Our production of 5-(4-Dimethylaminophenyl)Diazenylbenzene-1,3-Disulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against established specifications using advanced techniques like HPLC and NMR. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). Keep away from strong acids and organic solvents. The container must be kept tightly sealed to protect the hygroscopic material from moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%
Solubility	Soluble in water, alkaline solutions; slightly soluble in most organic solvents

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