Description

2-Hydroxyoctadecanesulphonicacid,Sodiumsalt CAS NO 4710-34-3 is a high-purity, long-chain hydroxy sulfonate surfactant. This compound is valued for its excellent emulsifying, wetting, and dispersing properties, making it a versatile intermediate and functional additive. It is primarily needed by manufacturers in the personal care, textile processing, and industrial cleaning sectors seeking stable, high-performance anionic surfactants.

Application

• Primary emulsifier and stabilizer in cosmetic and personal care formulations such as creams, lotions, and hair conditioners.
• Key wetting and dispersing agent in textile auxiliaries for dyeing and finishing processes.
• Functional surfactant in industrial and institutional (I&I) cleaning products and metalworking fluids.
• Intermediate in the synthesis of more complex specialty surfactants and sulfonated esters.
• Additive in leather processing chemicals for improved fatliquoring and dye penetration.
• Component in emulsion polymerization systems for the production of synthetic rubbers and plastics.

Basic Information

Product Name	2-Hydroxyoctadecanesulphonicacid,Sodiumsalt
CAS No.	4710-34-3
Molecular Formula	C₁₈H₃₇NaO₄S
Molecular Weight	372.54 g/mol
Synonyms	Sodium 2-Hydroxyoctadecanesulfonate; 2-Hydroxyoctadecane-1-sulfonic Acid Sodium Salt; Sodium 2-Hydroxyoctadecyl Sulfonate; 2-Hydroxy Stearyl Sulfonic Acid Sodium Salt; Octadecanesulfonic Acid, 2-Hydroxy-, Sodium Salt; Hydroxy Stearyl Sulfonate; HSAS; Contact for additional trade names.
EINECS	225-207-9

Quality Control

Our 2-Hydroxyoctadecanesulphonicacid,Sodiumsalt is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistency and traceability for your production needs.

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); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Loss on Drying	≤ 5.0 %
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	6.0 - 8.5

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