Description

Proline Cetyl Ester is a high-purity specialty ester derived from the amino acid proline and cetyl alcohol. This compound is valued for its unique combination of lipophilic character and structural features derived from its proline moiety, making it a versatile intermediate and functional ingredient. It is primarily sought after by manufacturers in the personal care, cosmetic, and pharmaceutical industries for its emollient, skin-conditioning, and carrier properties.

Application

• Cosmetic & Personal Care Formulations: Acts as a premium emollient and skin-conditioning agent in creams, lotions, and serums, providing a smooth, non-greasy feel.
• Pharmaceutical Excipient: Used as a lipid-based carrier or penetration enhancer in topical drug delivery systems.
• Hair Care Products: Functions as a conditioning agent in shampoos, conditioners, and hair treatments to improve manageability and shine.
• Lipstick & Lip Care: Serves as a structuring agent and emollient in lipstick formulations and lip balms, offering stability and a desirable texture.
• Specialty Chemical Synthesis: Employed as a key chiral building block or intermediate in the synthesis of more complex pharmaceutical compounds and fine chemicals.
• Anti-aging & Premium Skincare: Incorporated into formulations targeting skin barrier repair and moisturization due to its amino acid derivative profile.

Basic Information

Product Name	Proline Cetyl Ester
CAS No.	97010-18-9
Molecular Formula	C21H41NO3
Molecular Weight	355.56 g/mol
Synonyms	L-Proline, cetyl ester; Cetyl L-prolinate; Hexadecyl L-prolinate; N-Cetylproline ester; Proline hexadecyl ester; (S)-Cetyl 2-pyrrolidinecarboxylate; 1-Cetyl L-prolinate
EINECS	Contact for details

Quality Control

Our Proline Cetyl Ester is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical tests including chromatography (HPLC, GC) and spectroscopic methods. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment. We can support compliance requirements for cGMP, ISO, and REACH as needed.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white solid or waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 10 ppm
Residual Solvents	Meets ICH guidelines
Specific Rotation	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.