ISO 3523:1976

The Standard specifies the following characteristics of the oil. Appearance: Mobile liquid. Colour: Light yellow to dark yellow. Odour: Characteristic, floral and slightly woody. Relative density at 20/20 °C: 0,906 - 0,923. Refractive index at 20 °C: 1,4950 - 1,5030. Optical rotation at 20 °C: Range from - 30 to - 15 . Solubility in 95 % (V/V) ethanol at 20 °C: Incompletely soluble. Acid value: Maximum 2. Ester value: 13 - 35.