Description

Sodium 3-(n-Ethyl-3-Methylanilino)Propanesulfonate is a high-purity, water-soluble anionic surfactant and dye intermediate of significant industrial importance. Its core value lies in its excellent compatibility and solubility properties, which make it a critical functional additive in advanced formulations. This compound is essential for manufacturers in the textile, photographic, and specialty chemical industries seeking to enhance product performance and process efficiency.

Application

• Photographic Industry: A key component as a coupler solvent and anti-stain agent in color photographic films and papers.
• Textile Dyeing & Printing: Acts as a highly effective dispersing and leveling agent for synthetic dyes, ensuring uniform color uptake and fastness.
• Chemical Synthesis: Serves as a vital intermediate in the production of other specialty surfactants and functional chemicals.
• Ink Formulation: Used to improve the dispersion of pigments and the stability of various ink systems.
• Research & Development: Employed in laboratories for developing new materials and studying surfactant behavior.

Basic Information

Product Name	Sodium 3-(n-Ethyl-3-Methylanilino)Propanesulfonate
CAS No.	40567-80-4
Molecular Formula	C₁₂H₁₈NNaO₃S
Molecular Weight	279.33 g/mol
Synonyms	3-(N-Ethyl-3-methylanilino)propanesulfonic acid sodium salt; Sodium 3-(N-ethyl-m-toluidino)propanesulfonate; TSS (Photographic industry); 1-Propanesulfonic acid, 3-[(ethyl)(3-methylphenyl)amino]-, sodium salt; Anionic surfactant TSS; N-Ethyl-N-(3-sulfopropyl)-m-toluidine sodium salt; m-Toluidine, N-ethyl-N-(3-sulfopropyl)-, sodium salt
EINECS	254-980-4

Quality Control

Our production of Sodium 3-(n-Ethyl-3-Methylanilino)Propanesulfonate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC and titration methods, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your specifications.

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 hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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