Description

Sodium 3-Amino-4-(Octadecylamino)Benzenesulphonate is a specialized anionic surfactant and dye intermediate characterized by its unique hydrophobic long-chain alkylamino group. This compound is valued for its ability to impart specific functional properties, such as surface activity and color development, in advanced chemical formulations. It is primarily sought after by manufacturers in the dyes and pigments, specialty surfactants, and advanced material synthesis sectors.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of oil-soluble and solvent dyes, particularly for coloring plastics, fuels, and waxes.
• Specialty Surfactant: Used in formulations requiring specific wetting, dispersing, or emulsifying properties due to its amphiphilic structure.
• Chemical Synthesis Building Block: Employed in organic synthesis to introduce both sulfonate and long-chain amino functionalities into target molecules.
• Research & Development: Serves as a standard or experimental compound in R&D labs for developing new materials and studying surfactant behavior.
• Industrial Additive: Potential use as a functional additive in lubricants, coatings, or other industrial fluids where surface modification is required.

Basic Information

Product Name	Sodium 3-Amino-4-(Octadecylamino)Benzenesulphonate
CAS No.	85204-33-7
Molecular Formula	C24H43N2NaO3S
Molecular Weight	462.67 g/mol
Synonyms	Benzenesulfonic acid, 3-amino-4-(octadecylamino)-, sodium salt (1:1); Sodium 3-amino-4-octadecylaminobenzenesulfonate; C.I. Solvent Yellow 85 intermediate; 4-(Octadecylamino)-3-aminobenzenesulfonic acid sodium salt; Oil Yellow intermediate; Long-chain amino benzenesulfonate surfactant
EINECS	Contact for details

Quality Control

Our production of Sodium 3-Amino-4-(Octadecylamino)Benzenesulphonate adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot is analyzed for key parameters including identity, purity, and moisture content. A comprehensive Certificate of Analysis (COA) documenting these results is provided with every shipment and is available upon request.

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

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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