Description

Fatty Acids, C16-18, Sulfo, 1-Me Esters, Sodium Salts CAS NO 93348-22-2 is a high-purity anionic surfactant derived from natural fatty acids. This compound is valued for its excellent wetting, emulsifying, and detergent properties, making it a critical performance additive in demanding formulations. It is primarily sought by manufacturers in the personal care, industrial cleaning, and textile processing industries for its reliable and consistent quality.

Application

• Personal Care & Cosmetics: Key surfactant and foaming agent in shampoos, body washes, facial cleansers, and shaving creams.
• Industrial & Institutional (I&I) Cleaners: High-performance component in heavy-duty degreasers, hard surface cleaners, and dishwashing formulations.
• Textile Processing: Used as a wetting agent, scouring aid, and emulsifier in fiber treatment and dyeing processes.
• Emulsion Polymerization: Serves as an effective surfactant in the production of synthetic latexes for paints, coatings, and adhesives.
• Agricultural Formulations: Acts as an adjuvant and emulsifier in pesticide and herbicide concentrates to improve sprayability and efficacy.
• Leather Processing: Employed as a fatliquoring agent and emulsifier in leather tanning and finishing.

Basic Information

Product Name	Fatty Acids, C16-18, Sulfo, 1-Me Esters, Sodium Salts
CAS No.	93348-22-2
Molecular Formula	Typically C₁₉H₃₇NaO₅S (for C18 component)
Molecular Weight	~400.5 g/mol (for C18 component)
Synonyms	Sodium Methyl Ester Sulfonate (SMES); α-Sulfo Methyl Palmitate Sodium Salt; Methyl Ester Sulfonate (MES); Sulfonated Methyl Ester Sodium Salt; C16-18 Fatty Acid Methyl Ester Sulfonate; Sulfonated Fatty Acid Methyl Ester Sodium Salt; Sodium α-Sulfonated Methyl Palmitate/Stearate
EINECS	Contact for details

Quality Control

Our production of Fatty Acids, C16-18, Sulfo, 1-Me Esters, Sodium Salts adheres to stringent quality management protocols. Every batch is tested to ensure it meets precise specifications for active matter content, free fatty acid, and moisture. A comprehensive Certificate of Analysis (COA) is provided with each shipment, documenting purity and key performance parameters to guarantee batch-to-batch consistency and reliability for your formulations.

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); ensure containers are sealed immediately after use to prevent caking or degradation due to moisture absorption.

Specification

Item	Specification
Appearance	Off-white to pale yellow paste or powder
Active Matter	Min. 92%
Free Fatty Acid (as Oleic)	Max. 2.0%
Moisture Content	Max. 3.0%
pH (10% Solution)	6.0 - 8.5
Identification (IR)	Conforms
Heavy Metals (as Pb)	Max. 10 ppm

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