Sodium Fatty Acid Methyl Ester Sulfonate
RCH (SO3Na) COOCH3 CAS:93348-22-2
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 go
Technical data: Item Index
80% 70% 30%
Appearance（25℃） Light yellow flake, or grain, or needle Light yellow gel or solid
Active matter a / % ≥80 70±2 30±2
Petroleum ether solubleb / % ≤ 2.5 2.5 2.5
Di-sodium saltb/ % ≤ 5 5 5
pH（25 degree，1% a.m） 4.5～7.0 ≤10
Color/Hazen (5%a.m (1+1) ethanol water ≤ 100 100 100
Carbon chain % C14 & below 2.0Max
C16 59 Min
C18 40Max
C20 & above 1.0Max
Note：a Should be marked the average molecular weight of product.； b Calculated as 100% active matter
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