Several government initiatives to clean public infrastructures such as railway stations, airports, etc., and increasing household detergents usage owing to escalating number of residential projects all over the globe will also augment the global SLES market growth. (1980). The former is a milder cleansing agent due to a higher amount and different chemical structure of the fatty alcohols required to manufacture this cleansing agent. A common ingredient in personal care products, sodium lauryl sulfate, or SLS, is an additive that allows cleansing products to foam. Well, it is, sort of. Structure of a triclinic phase of sodium dodecyl sulfate monohydrate. Three separate tail-length SDS-type molecules are used. Molecular Weight: 288.38. Learn more about this chemical, such as how it works and whether it’s safe. Structure and properties Structure. Sodium sulfate attack on Portland cement structures: experimental and analytical approach. The key difference between sodium lauryl sulfate and sodium laureth sulfate is that sodium lauryl sulfate is more irritating compared to sodium laureth sulfate.. Sodium lauryl sulfate (SLS) is found in shampoos, soaps, various beauty and cleaning products, and even some foods. SLS is a detergent and surfactant which essentially means that it breaks surface tension and separates molecules in order to allow better interaction between the product and your hair. It may also be called sodium dodecyl sulfate; dodecyl sulfate, sodium salt; and sodium n-dodecyl sulfate. The structure of hydrogen bond in dilute solutions is broken to a considerable extent with rising temperature, and the peak at 0.290 nm splits into two peaks at 0.275 and 0.305 nm, respectively. A rapid liquid X-ray diffractometer was used to study the time-averaged and space-averaged structure of aqueous sodium sulfate solutions at 298 and 323 K. One of the most costly factors in the construction field is the reduction of material lifetime. Lauryl, of course, is an early term for what is now called the dodecyl alkyl group, or n-C 12 H 25. Other ethoxylates may be contaminated with ethylene oxide and 1,4-dioxane. The changes in micelle size due to H 2 O/D 2 O substitution are greatest at high ionic strength. Sodium Laureth Sulfate (SLES) and Ammonium Laurel Sulfate (ALS) are similar substances. Denne fil er udgivet under Creative Commons CC0 1.0 Universal Public Domain Dedication. SDS is in the family of organosulfate compounds, and has the formula, C H 3 (CH 2) 11 SO 4 Na.It consists of a 12-carbon tail attached to a sulfate group, that is, it is the sodium salt of a 12-carbon alcohol that has been esterified to sulfuric acid. It typically appears as a white or cream colored crystal or powder. Despite the name similarity, sodium laureth sulfate is NOT the same as sodium lauryl sulfate. Sodium thiosulfate: At the beginning of the development of the chemical, the formula of this additive was considered Na 2 S 2 O 4 and was named sodium hypo-sulfate.The short name is called Hypo.Later its formula Na 2 S 2 O 3 was established. In this work, we perform a series of molecular dynamics (MD) simulations on the category of sodium alkyl sulfate (SDS-type) surfactant monolayers at the water/trichloroethylene (TCE) interface. 151-21-3 - DBMJMQXJHONAFJ-UHFFFAOYSA-M - Sodium lauryl sulfate [JAN:NF] - Similar structures search, synonyms, formulas, resource links, and other chemical information. According to the Environmental Working Group's Skin Deep Cosmetic Safety Database, SLS is a "moderate hazard" An alternative description is that it is an alkyl group with a pendant, terminal sulfate group attached. Formula and structure: The chemical formula of sodium thiosulfate is Na 2 S 2 O 3 and its molar mass is 158.11 g/mol. A comparison with other sodium dodecyl sulfate crystal phases. The process in which they are created in entirely different, and the irritation potential for both of them is vastly different, which is why you find sodium coco sulfate in baby washes and other sensitive skin washes instead of the sls. Sodium Lauryl Sulfate, Sodium Laureth Sulfate, and Ammonium Lauryl Sulfate are the three most common Sulfates used in personal care products. Sigma-Aldrich offers a number of Sodium sulfate products. The sodium lauryl sulfate formula is a highly effective anionic surfactant used to remove oily stains and residues. Download : Download high-res image (200KB) Download : Download full-size image; Fig. Structure … View information & documentation regarding Sodium sulfate, including CAS, MSDS & more. Sodium sulfate is a white, orthorhombic crystalline solid at room temperatures ( a monoclinic structure at > 100 C, a hexagonal structure at > 250C). 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