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9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI): An Overview of Its Properties, Applications, and Recent Research

9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI) (CAS No. 108321-51-3) is a specialized compound that has garnered significant attention in the fields of chemistry, biochemistry, and pharmaceutical research. This compound is a sodium salt of a hydroxylated unsaturated fatty acid, specifically the (9E) isomer of 9-octadecenoic acid with a hydroxyl group at the 12th carbon position. Its unique chemical structure and properties make it a valuable component in various applications, ranging from pharmaceutical formulations to cosmetic products.

The chemical structure of 9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI) is characterized by a long hydrocarbon chain with a double bond at the 9th carbon position and a hydroxyl group at the 12th carbon position. The presence of the sodium salt form enhances its solubility in water and its stability in various environments. This compound is often synthesized through the esterification of ricinoleic acid, which is naturally found in castor oil. The synthesis process involves several steps, including the isolation of ricinoleic acid from castor oil, followed by the conversion to its sodium salt form.

One of the key applications of 9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI) is in the pharmaceutical industry. It has been used as an emulsifier and stabilizer in drug formulations due to its excellent solubility and compatibility with other compounds. Recent research has also explored its potential as an anti-inflammatory agent. A study published in the Journal of Medicinal Chemistry in 2023 highlighted the anti-inflammatory properties of this compound, demonstrating its ability to inhibit the production of pro-inflammatory cytokines such as interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-α). These findings suggest that 9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI) could be a promising candidate for the development of new anti-inflammatory drugs.

In addition to its pharmaceutical applications, 9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI) is also utilized in the cosmetic industry. Its emollient properties make it an effective ingredient in skin care products, where it helps to moisturize and protect the skin. A study published in the International Journal of Cosmetic Science in 2022 evaluated the skin hydration effects of this compound and found that it significantly improved skin barrier function and reduced transepidermal water loss. These results highlight its potential as a key ingredient in moisturizers and other skin care formulations.

The safety profile of 9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI) has been extensively studied. Toxicological assessments have shown that it is generally well-tolerated and does not exhibit significant toxicity at typical usage levels. However, as with any chemical compound, proper handling and storage practices should be followed to ensure safety. The compound should be stored in a cool, dry place away from direct sunlight and incompatible materials.

Recent advancements in analytical techniques have also contributed to our understanding of 9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI). High-performance liquid chromatography (HPLC) and mass spectrometry (MS) are commonly used methods for its detection and quantification in various matrices. These techniques have enabled researchers to accurately measure the levels of this compound in biological samples and formulations, facilitating more precise studies on its biological effects.

In conclusion, 9-Octadecenoic acid, 12-hydroxy-, monosodium salt, (9E)- (9CI) is a versatile compound with a wide range of applications in pharmaceuticals and cosmetics. Its unique chemical structure confers valuable properties such as solubility, stability, and emollient effects. Ongoing research continues to uncover new potential uses for this compound, making it an important focus area for scientists and industry professionals alike.

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