C18-Ceramide
Description
C18-Ceramide (CAS 2304-81-6), also known as N-stearoyl-D-erythro-sphingosine, is a naturally occurring sphingolipid that mirrors the ceramide species found in human skin. It functions as a structural lipid and moisture-retention agent.
This compound reinforces the skin barrier in cosmetic and pharmaceutical formulations. In prestige and clinical skincare, it is incorporated into barrier-repair creams, serums, and emulsions where it replenishes lipids.
It is essential for restoring depleted intercellular lipids in the stratum corneum. Pharmaceutical topical formulations targeting dry skin conditions such as eczema and psoriasis use it to restore lamellar lipid structure.
The material is highly effective at reducing transepidermal water loss in clinical applications. In liposomal and nanoparticle drug delivery systems, its membrane-forming properties support encapsulation efficiency.
These properties also allow for the controlled release of active compounds in advanced medicine. Biotechnology and life sciences researchers use it as a reference lipid standard and as a functional component.
It is frequently utilized in cell membrane studies and other specialized laboratory applications. This product is supplied as a white to off-white powder or waxy solid for industrial and research use.
It is available in cosmetic-grade and research-grade specifications, with purity levels typically ranging from 95% to 99%+ for high-performance formulation use and laboratory testing.
Packaging options generally range from small quantities for laboratory use to larger bulk formats for industrial formulators. We ensure all batches meet rigorous internal quality control protocols.
Physical Properties
| Melting Point | 88-89 °C |
| Boiling Point | 630.97°C (rough estimate) |
| Density | 0.9512 (rough estimate) |
| Appearance | Off White Powder |
| Color | White to Off-White |
| Form | White to off-white powder. |
| Refractive Index | 1.6630 (estimate) |
Trade & Regulatory
| HS Code | 29225000 |
| WGK (Germany) | 3 |
Documentation
Other Names
N-stearoyl-D-erythro-sphingosine|V3Q7C63KSS|RefChem:1080585|N-Stearoylsphingosine|N-Stearoyl-D-sphingosine|Octadecanamide, N-[(1S,2R,3E)-2-hydroxy-1-(hydroxymethyl)-3-heptadecen-1-yl]-|Octadecanamide, N-[2-hydroxy-1-(hydroxymethyl)-3-heptadecenyl]-, (E)-D-erythro-
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