Sodium lauryl sulfate or SLS, sodium lauryl sulfate is a widely used substance in detergents, especially shampoos. To buy sodium lauryl sulfate, contact the relevant experts.
Material specifications
- Name: Sodium lauryl sulfate
- Brand name : SLS
- CAC number : 151-21-3
Sell sodium lauryl sulfate
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Price of sodium lauryl sulfate:
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Take a closer look
Sodium dodecyl sulfate (SDS), also known as SLS, is an organic compound synthesized with the chemical formula CH3 (CH2) 11SO4 Na. It is an anionic surfactant (meaning surfactant) that is used in many laundry and hygiene products. It contains a 12-carbon sequence attached to a sulfate group. It is also an emulsifier and foaming agent commonly used in cosmetics and industrial cleansers. SLS is found in many soaps, shampoos, toothpastes, and washing liquids and powders. Although SLS is made from coconut, it is contaminated with a toxic by-product during the manufacturing process.
SLS production
Sodium lauryl sulfate is synthesized by lauryl alcohol with sulfur trioxide, oleum, or chlorosulfuric acid to produce sodium lauryl sulfate. Product production is neutralized after the addition of sodium hydroxide or sodium carbonate. Laurel alcohol can be used in pure form or it can be obtained from coconut oil or palm kernel oil by hydrolysis (which releases its fatty acids) and then hydrogenation is performed.
SLS is organic production ?
Since sodium lauryl sulfate is produced from these sources, commercial samples of these products are not pure sodium lauryl sulfate, but a combination of sodium alkyl sodium sulfate with a large amount of SLS. For example, sodium lauryl sulfate, when produced from coconut oil, is known as sodium coco sulfate (SCS). SLS is commercially produced in the form of powder, sheets and other forms. Also available in the form of aqueous solutions with different concentrations
Physical and chemical properties of SLS
The critical micelle (CMC) concentration of sodium lauryl sulfate in pure water at 25 ° C is 8.2 mm and the accumulation number at this concentration is usually about 62. The percentage of micelle ionization (α) is about 0.3 (or 30%) It is used in a wide range of concentrations. According to a 2015 study, 0.01% to 50% is used in cosmetics and 1% to 30% in cleaning products.
Applications - SLS
SLS has many applications, mainly in various detergents. It is a very effective surfactant and is used in any work that requires the removal of greasy and stabilized stains; For example, it is found in high concentrations in industrial products, including car engine cleaners, car floor cleaners, and car wash soaps. At lower concentrations, it is used in toothpaste, shampoo, beard paste. The reason for its use in these fields is its ability to create foam, its surfactant properties and in some applications its volumetric ability.
Industrial applications
Sodium lauryl sulfate is used in an improved method to prepare brain tissue for study under a light microscope. The technique, called CLARITY, was developed by Carl Deirert and colleagues at Stanford University. The process involves injecting organ into acrylamide solution to bind organ macromolecules (proteins, nucleic acids, etc.) and then by thermal polymerization to form a "brain hydrogel" (a mesh across the tissue to stabilize macromolecules and other structures in space). Is. It is then removed with lipids using SLS. Lipid removal to eliminate light scatter with the least protein lost.
The difference between SLS and SLES
SLES which we know as sodium lauryl ether sulfate or Texas, is a member of the sodium lauryl sulfate family and their main difference is in their production process. SLS is in powder and filament form and solid phase is available in the market but Texapon is in liquid form.
