Glass-sealed n-Octadecane (Paraffin Wax, C18H38) This elegant desktop display features

This elegant desktop display features a glass-sealed ampule filled with high-purity n‑octadecane (C18H38)

or anyone curious about science and technology

Please note: this link includes the glass tubes only

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Glass-sealed n-Octadecane (Paraffin Wax, C18H38) This elegant desktop display featuresDiscover phase change in the palm of your hand. This elegant desktop display features a glass sealed ampule filled with high purity noctadecane (C18H38), a paraffin with a precise melting point of about 28C (82F). At typical room temperature it appears as a white solid; gently warm the tube with your hands for a minute and watch it transition into a clear liquidthen cool it to see crystals reform. Its a simple, mesmerizing demonstration of