China Mentha Arvensis Oil From Manufacture, Find details about China Natural Menthol Crystal, Polar Bear Menthol from Mentha Arvensis Oil From Manufacture
CAS No.: | FEMA No.: | EINECS No.: | Molecular formula: | Molecular weight: |
8006-90-4 | 2848 | 282-015-4 | C62H108O7 | 156.26 |
Appearance: | Sightly Yellow Clear Liquid |
Odor: | Characteristic Odor Of Menthol Arvensis Peppermint Oil |
Specific Gravity(20/20ºC): | 0.885-0.908 |
Refractive Index(20ºC): | 1.455-1.467 |
Optical Rotation(20ºC): | -28°~ -17° |
Solubility(20ºC): | 1 Volume Soluble In 3.5 Volumes Of 70%(V/V) Alcohol, Forming A Clear Solution |
Total Menthol: | 50.0% Min |
Ester Content: | 5.0% Min |
Acid Value(mg KOH/g) | 1.0 Max |
Standard | CP2005/JP14 |
Packing: | In 180kg Iron Drum or 50kg Iron Drum |
Specification of Menthol Crystal | |
Items | Standards |
Appreance | Colourless, transparent hexagonal orneedlelike crystals |
Assay % | 99.5% min |
Melting point (ºC) | 41.0- 44.0 |
Specific rotation | -45°~-51° |
Arsenic (As) | 3 mg/kg Max |
Heavy metals ppm | 10 mg/kg max |
Residue on ignition | 0.1% max |
Solubility(25 ºC) | 1g soluble in 5ml of 90%(v/v)alcohol,forming a clear solution |
Related substances | Examine by gas chromatography |
Conclusion | The product conforms to the standard BP2012/USP31 |