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Stearic acid (/ ˈ s t ɪər ɪ k / STEER-ik, / s t i ˈ ær ɪ k / stee-ARR-ik) is a saturated fatty acid with an 18-carbon chain. [9] The IUPAC name is octadecanoic acid. [9] It is a soft waxy solid with the formula CH 3 (CH 2) 16 CO 2 H. [9] The triglyceride derived from three molecules of stearic acid is called stearin. [9]
When you buy a bottle of vitamins from a nutrition store, you’ll probably notice a best-by date on the bottom of the jar. But that inscribed number isn’t a hard-and-fast rule—there is some ...
Ascorbyl stearate (C 24 H 42 O 7) is an ester formed from ascorbic acid and stearic acid. In addition to its use as a source of vitamin C, it is used as an antioxidant food additive in margarine (E number E305). The USDA limits its use to 0.02% individually or in conjunction with other antioxidants.
Calcium stearate is produced by heating stearic acid and calcium oxide: 2 C 17 H 35 COOH + CaO → (C 17 H 35 COO) 2 Ca + H 2 O. It is also the main component of soap scum, a white solid that forms when soap is mixed with hard water. Unlike soaps containing sodium and potassium, calcium stearate is insoluble in water and does not lather well. [2]
The U.S. Preventive Services Task Force released a draft recommendation advising against using vitamin D to prevent falls and fractures in people over 60. Pharmacist Katy Dubinsky weighs in.
Sodium stearate (IUPAC: Sodium Octadecanoate) is the sodium salt of stearic acid. This white solid is the most common soap. It is found in many types of solid deodorants, rubbers, latex paints, and inks. It is also a component of some food additives and food flavorings. [1]
It is the ester of stearic acid and ethylene glycol. It is used as an ingredient in many types of personal care products and cosmetics including shampoos, hair conditioners, and skin lotions. It is used as an ingredient in many types of personal care products and cosmetics including shampoos, hair conditioners, and skin lotions.
Mercury(II) stearate is a metal-organic compound, a salt of mercury and stearic acid with the chemical formula C 36 H 70 HgO 4. [2] The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid. The compound is highly toxic by inhalation, ingestion, and skin absorption. [1]
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