Methyl Ester Sulfonate (commonly abbreviated as MES, chemical name sodium C12-18 sulfo fatty acid methyl ester, CAS 85681-86-3) is a high-performance eco-friendly anionic surfactant manufactured by sulfonation of natural renewable fatty acid methyl esters followed by neutralization.
Compared with traditional petroleum-based surfactants, MES features better hard water resistance, superior lime soap dispersing ability, milder skin compatibility and higher biodegradability. It maintains excellent detergency under both soft and hard water conditions, and is available in powder and concentrated paste forms to meet different production needs. It is widely used in phosphate-free laundry detergents, liquid cleansers, personal care products, industrial cleaning agents and textile auxiliaries, and is recognized as a mainstream green surfactant for upgrading daily chemical products.
Core Application Scenarios (Ranked by Importance)
- Household Laundry Detergents (Core Application): The largest application field of MES. Widely used in phosphate-free washing powder, concentrated laundry liquid, laundry pods and soap-based detergents. Enhances detergency in hard water, improves lime soap dispersion performance and reduces product irritation, serving as the core green raw material for upgrading household cleaning products.
- Personal Cleansing & Care Products: Applied in mild shower gels, syndet soaps, liquid hand soaps and facial cleansers. Its mild low-irritation property and fine foam provide gentle cleansing experience, especially suitable for sensitive skin and baby care product formulations.
- Industrial & Institutional Cleaning: Used in heavy-duty industrial degreasers, kitchen cleaners, hotel laundry detergents and public facility cleaning agents. Delivers good oil removal performance and stable performance in hard water, meets the requirements of industrial heavy-stain cleaning scenarios.
- Textile Dyeing & Finishing Auxiliaries: Serves as scouring agent, leveling agent and dispersant in textile printing and dyeing industry. Improves fiber wettability, promotes uniform dyeing and has good compatibility with various dyeing and finishing systems.
- Leather & Paper Chemicals: Used as degreasing agent and wetting agent in leather processing to improve leather softness and cleanliness. Also applied in paper industry as deinking agent and sizing auxiliary, with excellent wetting and dispersion effects.
- Agricultural & Other Special Uses: Used as emulsifier, wetting agent and spreader in pesticide formulations to improve pesticide adhesion and absorption. Also suitable for emulsion polymerization, ore flotation and other fields requiring anionic surfactants.
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