ã?? product name ã?? Mentha Piperita Oil Color form: colorless or pale yellow liquid Aroma: fresh, intense and slightly grassy mint with a creamy, sweet undertone and a lingering coolness.Mentha Piperita Oil is a yellowish clear liquid originally produced in the United States. Relative density (20/20 â??) : 0.896 to 0.908 Refractive index (20 â??) : 1.4590 to 1.4650 Optical rotation (20 â??) : - 18 ° to 32 ° Packing: 180 kg galvanized iron drum