Description

N,n-Bis-(4-Sulfobutyl)-3-Methylaniline Disodium Salt is a specialized, high-purity organic salt primarily used as a key intermediate in the synthesis of advanced functional dyes and pigments. Its value lies in its dual sulfonate groups, which impart excellent water solubility and anionic character, making it crucial for developing products with specific chromogenic and application properties. This compound is essential for manufacturers in the dye and pigment, specialty chemical, and advanced material research sectors seeking to create vibrant, stable colorants for textiles, inks, and other industrial applications.

Application

• Key Intermediate for Functional Dyes: A critical building block in the synthesis of reactive, acid, and direct dyes, particularly for textile applications requiring high wash and light fastness.
• Pigment Synthesis: Used in the manufacturing of specialized organic pigments for inks, coatings, and plastics, where its structure helps fine-tune color properties and dispersion stability.
• Biomedical Staining Agents: Serves as a precursor for developing contrast agents or histological stains used in diagnostic and research applications.
• Electrochromic Materials: A potential monomer or dopant in the research and production of polymers and materials that change color with an applied electrical voltage.
• Chemical Sensor Development: Utilized in creating indicator dyes and sensing materials for the detection of specific ions or molecules in analytical chemistry.
• Liquid Crystal Displays (LCDs): Can be employed in the synthesis of dichroic dyes used to enhance the color performance and viewing angles of display technologies.

Basic Information

Item	Detail
Product Name	N,n-Bis-(4-Sulfobutyl)-3-Methylaniline Disodium Salt
CAS No.	1044537-70-3
Molecular Formula	C16H25NNa2O6S2
Molecular Weight	429.47 g/mol
Synonyms	3-Methyl-N,N-bis(4-sulfobutyl)aniline disodium salt; Disodium 4,4'-(3-methylphenylazanediyl)dibutane-1-sulfonate; N,N-Bis(4-sulfonatobutyl)-3-methylaniline disodium salt; Aniline, N,N-bis(4-sulfobutyl)-3-methyl-, disodium salt; 3-Methyl-N,N-bis(4-sulfobutyl)benzenamine disodium salt; Dye intermediate 1044537-70-3; Sulfonated aniline derivative disodium salt
EINECS	Contact for details

Quality Control

Our production of N,n-Bis-(4-Sulfobutyl)-3-Methylaniline Disodium Salt adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity suitable for sensitive synthesis applications. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry to confirm identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific impurity profiles is provided with every shipment 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility (in Water)	Clear, colorless solution

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