Description

Sodium Isopropyl 2-Sulphooctadecanoate is a high-purity anionic surfactant derived from stearic acid, valued for its excellent emulsifying, dispersing, and wetting properties. This compound is essential for formulators requiring stable, high-performance surface activity in demanding industrial and personal care applications. It is primarily utilized by manufacturers in the cosmetics, textile processing, agrochemical, and specialty chemical industries.

Application

• Primary Emulsifier in cosmetic and personal care formulations, such as creams, lotions, and hair conditioners.
• Textile Processing Aid for scouring, dyeing, and finishing, improving fiber wettability and dye penetration.
• Agrochemical Adjuvant in pesticide and herbicide formulations to enhance spray coverage and active ingredient dispersion.
• Industrial Cleaner Component in heavy-duty degreasers and metal cleaning solutions.
• Latex and Polymer Stabilizer in emulsion polymerization processes.
• Leather Processing Aid for fatliquoring and dyeing operations.

Basic Information

Product Name	Sodium Isopropyl 2-Sulphooctadecanoate
CAS No.	3076-25-3
Molecular Formula	C21H41NaO5S
Molecular Weight	428.60 g/mol
Synonyms	Sodium 2-Sulfoisopropyl Stearate; 2-Sulfo-1-methylethyl Octadecanoate Sodium Salt; Isopropyl Stearate Sulfonate Sodium Salt; Sodium Salt of Isopropyl Stearate Sulfonate; Sulfonated Isopropyl Stearate Sodium Salt; SIP Stearate; Stearic Acid Isopropyl Ester Sulfonate Sodium Salt
EINECS	221-356-1

Quality Control

Our Sodium Isopropyl 2-Sulphooctadecanoate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Water Content (KF)	≤ 3.0 %
Sulfated Ash	15.0 - 20.0 %
pH (10% Solution)	6.0 - 8.5

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