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Sodium Fatty Acid Methyl Ester Sulfonate CAS:93348-22-2

Sodium Fatty Acid Methyl Ester Sulfonate CAS:93348-22-2

Brand Name : ZANYU
Model Number : MES 80%
Certification : ISO9001, ISO14001, ISO18001
Place of Origin : CHINA
MOQ : 5mt (25kg*200kg)
Payment Terms : T/T
Delivery Time : 10 working days
Packaging Details : 25kg*560bag=14.00mt per 20'GP
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Sodium Fatty Acid Methyl Ester Sulfonate


Performance and Application:

Sodium fatty acid methyl ester sulfonate (MES) is a new anionic surfactant with excellent performances. MES is made from natural oil and fat. It is obtained by esterification, hydrogenation, sulfonation, aging, bleaching and neutralization. MES has good detergency, emulsification and thickening, tolerance to hard water, low irritation and toxicity, good biodegradability, moderate foaming ability, easiness to rinse. For good compatibility with LAS, SLES, AOS, SLS, it is applicable in detergents, personal care, textile, leather chemicals, ore flotation agents and plastic additives, especially in liquid detergent such as shower gel, hand washing, laundry liquid and soap, etc. In shower gel and other liquid detergents, MES can improve detergency and thickening, skin irritation and skin feeling; In washing powder, MES can make products easier to rinse and washed, fabric much softer; In the soap products, MES can greatly improve the re-deposition of calcium.

Technical data:

Appearance(25℃)Light yellow to yellow flake or powderLight yellow to yellow gel or solid
Active mattera/ %≥8070±230±2
Petroleum ether solubleb/ % ≤
Di-sodium saltb/ % ≤555
pH(25 degree,1% a.m)4.5~7.0≤10
Color/Hazen(5%a.m (1+1) ethanol water ≤100100100
Note:aShould be marked the average molecular weight of product.; 
bCalculated as 100% active matter


The Krafft point of MES is 17~30 degree so the solubility at low temperature is poor.

It is easy to hydrolyse resulting di-sodium salt when contacts with acid, alkali and high temperature.

Direction for use:

MES(30%) is viscous liquid above 30 degree, and becoming gel below 30℃. It would be layered for long-time storage in low temperature.

Solid MES is flake or powder at normal temperature, and easily bond when store above 45degree.

MES(30%,55%) is soluble in water above 30 degree. For solid product, it is suggested to use with hot water (40~70 degree);

Recommended use (as 100% a.m): 2~4%(liquid detergent), 3~8%(washing powder), 2~8% (liquid laundry detergent)


Packing for solid product: 20 kg or 25 kg (N.W.) per plastic bag;

Packing for gel product: 100kg, 150kg or 200kg (N.W.) per plastic drum (lining plastic bag). Or Storage in 40~50 degree by water heating and transported by tanker; It is prohibited storage above 60 degree for a long time.

During the transportation process, the container should not leak and fall. Loading and unloading should be light, not throw.

Storage in cool and ventilated place. Keep away from ignition and heat sources. Avoid direct sunlight.

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