Melia Azadirachta Seed Oil is the oil expressed from the seeds of the Neem Tree, Melia azadirachta L., Meliaceae. Specific Gravity @ 25°C (g/ml) 0.905 0.975 Refractive Index @ 40°C 1.450 1.490 Iodine value (g/ml) 55.0 85.0 Saponification Value (mgKOH/g) 180.0 Azadiractin Content (ppm) 1300 Acid Value (mgOH/g) 20.0