... specifications 3,High Purity 4,High quality Specifications1,Content: 99.9% volatile oil containing 2,The national pharmacopoeia specifications 3,High ... .498-1.501Optical rotation: +12 ° 12 '~ +28 ° 23'Content: 99.9% volatile oil containingFlash point: 35 °CSolubility; soluble in 95% ethanolPacking ...