ISO 3518:1979

The Standard specifies the following characteristics of the oil. Appearance: Clear, slightly viscous liquid. Colour: Almost colourless to yellow. Odour: Characteristic, sweet, woody, persistent. Relative density at 20/20 °C: 0,968 - 0,983. Refractive index at 20 °C: 1,5030 - 1,5080. Optical rotation at 20 C: Range from - 21 to - 15 . Miscibility with 70 % (V/V) ethanol at 20 °C: 1 : 5. Ester value: Maximum 10. Primary free alcohols content, expressed as santalol: Minimum 90 % (m/m).