Fish Gelatin Obtained from the skin of cold water fish. Gelatin has a high molecular weight with the extracellular glycoprotein acting as an antifreeze.A hydrophilic chemical useful in histochemistry, bacterial culture media and light microscope autoradiographyThis product should not be used to make a solution greater than 5%.Appearance: PowderBoiling Point : 100 °CDensity : 0.68 g/cm3 at 20 °CRTECS Number: LX8580000