Description

Sodium 3-(n-Ethyl-3-Methylanilino)-2-Hydroxypropanesulfonate is a high-purity, water-soluble anionic surfactant and dye intermediate of significant commercial importance. Its molecular structure makes it a critical component for enhancing color fastness, solubility, and stability in demanding industrial formulations. This compound is essential for manufacturers in the textile, photographic, and specialty chemical sectors who require reliable performance and consistent quality for their production processes.

Application

• Textile Industry: Primarily used as a key dye intermediate and leveling agent for synthetic fibers like polyester and nylon, improving dye uptake and uniformity.
• Photographic Chemicals: Serves as a critical component in color developer formulations for photographic films and papers, acting as a stabilizing and coupling agent.
• Specialty Surfactants: Functions as an anionic surfactant in specialized detergent and cleaning formulations requiring high stability and compatibility with other chemicals.
• Chemical Synthesis: Employed as a building block or intermediate in the synthesis of more complex organic compounds, including other sulfonated derivatives.
• Ink & Pigment Manufacturing: Used to improve the dispersion and stability of pigments in advanced inkjet and industrial printing ink systems.

Basic Information

Item	Detail
Product Name	Sodium 3-(n-Ethyl-3-Methylanilino)-2-Hydroxypropanesulfonate
CAS No.	82692-93-1
Molecular Formula	C₁₂H₁₈NNaO₄S
Molecular Weight	295.33 g/mol
Synonyms	Sodium 3-(N-Ethyl-3-methylanilino)-2-hydroxypropanesulfonate; 3-(N-Ethyl-3-methylanilino)-2-hydroxy-1-propanesulfonic acid sodium salt; TSS (common abbreviation); Photographic Color Developer CD-4 derivative; N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3-methylaniline sodium salt; 3-Methyl-N-ethyl-N-(2-hydroxy-3-sulfopropyl)aniline sodium salt; Aniline, N-ethyl-N-(2-hydroxy-3-sulfopropyl)-3-methyl-, sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 3-(n-Ethyl-3-Methylanilino)-2-Hydroxypropanesulfonate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Production adheres to relevant industry standards, and each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support our clients' compliance needs with full traceability and documentation.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline 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
pH (5% Solution)	6.0 - 8.0
Solubility (in Water)	Clear, complete solution

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