Colour Pale yellow
Refractive Index 25° C 1.500 - 1.510
Specific Gravity 25° / 25° C 0.965 - 0.977
Optical Rotation ( -15° ) - ( -20° )
Acid number 0.5 - 8.4
Ester number 3 - 17
Ester number after acetylation Min 196
Santalol Min 90%
Mineral oil negative
Fatty oil negative
Solubility in 70% ethanol 1 : 5 ( v/ v) clear, further clear