Pharmaceutical Grade Lauroyl Lactam Skin Penetration Enhancer Oil-soluble/Water-soluble 500ml per Bottle Pharmacopoeia Quality Standard

Pharmaceutical grade Lauroyl Lactam is a multifunctional pharmaceutical excipient widely used in drug formulations as a penetration enhancer. It significantly improves the penetration ability of drugs through the skin or other biological barriers, thereby enhancing the bioavailability of drugs. According to the "Chinese Pharmacopoeia 2020 Edition" (CP Edition), the quality standards for pharmaceutical grade Lauroyl Lactam are strictly regulated to ensure its safety, efficacy, and stability in pharmaceutical products.

1. Chemical Properties of Lauroyl Lactam

- Chemical Name: Lauroyl Lactam, molecular formula C12H23NO.

- Physical Characteristics: Typically a colorless, transparent viscous liquid with low or no odor. It is soluble in organic solvents such as ethanol and isopropanol but poorly soluble in water.

- Functional Properties: Lauroyl Lactam is a highly effective penetration enhancer that alters the structure of the stratum corneum, reducing its barrier function, thereby promoting the transdermal or transmucosal absorption of drugs.

2. Quality Standards (CP Edition)

The "Chinese Pharmacopoeia 2020 Edition" specifies clear requirements for the quality of pharmaceutical grade Lauroyl Lactam to ensure it meets the high standards of the pharmaceutical industry. Key indicators include:

- Appearance: White or off-white crystalline powder, free of foreign matter.

- Content: The purity of Lauroyl Lactam should be no less than 98.0% to ensure drug efficacy and safety.

- Melting Point: Complies with standard requirements, typically in the range of 37°C-42°C, reflecting its physical purity.

- Acidity (pH): The pH value in aqueous or ethanol solutions should be controlled between 5.0-7.5 to ensure stability in pharmaceutical preparations.

- Moisture: Water content should be less than 1.0% to prevent degradation of the excipient or instability of the drug formulation.

- Heavy Metals: Residual levels should be below 10 ppm to ensure safety.

- Residual Solvents: Solvent residues must be strictly controlled, especially common organic solvents, with the total amount not exceeding 0.5%.

3. Applications of Lauroyl Lactam

As an excellent penetration enhancer, Lauroyl Lactam plays a crucial role in various drug formulations. Specific applications include:

- Transdermal Formulations: Lauroyl Lactam significantly enhances the transdermal absorption of drugs and is widely used in topical creams, gels, and patches, such as hormonal drugs and analgesics.

- Mucosal Delivery Formulations: This excipient effectively improves drug absorption through mucosal barriers, such as in oral solutions and nasal sprays.

- Transdermal Patches: Lauroyl Lactam optimizes drug release rates and controls the penetration process, commonly used in controlled-release patches.

- Other Dosage Forms: Used to improve the absorption performance of poorly soluble drugs and enhance drug efficacy.

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