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Sodium stearate is produced as a major component of soap upon saponification of oils and fats. The percentage of the sodium stearate depends on the ingredient fats. Tallow is especially high in stearic acid content (as the triglyceride), whereas most fats only contain a few percent. The idealized equation for the formation of sodium stearate ...
Stearate soap, such as sodium stearate, could be made from stearic acid but instead are usually produced by saponification of stearic acid-containing triglycerides. Esters of stearic acid with ethylene glycol (glycol stearate and glycol distearate) are used to produce a pearly effect in shampoos, soaps, and other cosmetic products. [9]
In one simplified version, the saponification of stearin gives sodium stearate. C 3 H 5 (O 2 C(CH 2) 16 CH 3) 3 + 3 NaOH → C 3 H 5 (OH) 3 + 3 NaO 2 C(CH 2) 16 CH 3. This process is the main industrial method for producing glycerol (C 3 H 5 (OH) 3). Some soap-makers leave the glycerol in the soap. Others precipitate the soap by salting it out ...
A handmade soap bar Two equivalent images of the chemical structure of sodium stearate, a typical ingredient found in bar soaps Emulsifying action of soap on oil. Soap is a salt of a fatty acid (sometimes other carboxylic acids) used for cleaning and lubricating products as well as other applications. [1]
Along with the antiperspirant, there are two aluminum-free options: the Sport deodorant stick - made with sodium stearate - and the Natural deodorant stick, which contains sodium hydroxide and a ...
A bar of carbolic soap A puck of shaving soap in a ceramic bowl In chemistry , a soap is a salt of a fatty acid . [ 2 ] Household uses for soaps include washing , bathing , and other types of housekeeping , where soaps act as surfactants , emulsifying oils to enable them to be carried away by water.
Stearin is used as a hardening agent in the manufacture of candles and soap. [8] It is mixed with a sodium hydroxide solution in water, creating a reaction which gives glycerin and sodium stearate, the main ingredient in most soap: C 3 H 5 (C 18 H 35 O 2) 3 + 3 NaOH → C 3 H 5 (OH) 3 + 3 C 18 H 35 OONa. Stearin is also added to aluminium ...
Sodium stearate, the most common component of most soap, which comprises about 50% of commercial surfactants 4-(5-Dodecyl) benzenesulfonate, a linear dodecylbenzenesulfonate, one of the most common surfactants