| CAS No. |
2216-51-5 |
| Other Names |
l-menthol |
| MF |
C10H20O |
| EINECS No. |
239-387-8 |
| FEMA No. |
2665 |
| Place of Origin |
Anhui China (Mainland) |
ItemStandardsAnalytical ResultUSP31BP2005IdentificationColorless,transparenthexagonal or needlelike crystalsComplies with standardMelting point()4144About 4443.3Specific rotation (25)-45°-51°About -50°-50°Limit of Nonvolatile residue (%)Not overrun 0.05 under condition of 1050.01Purity(%)97.099.9Organic volatile impuritiesSolvent-Use dimethyl sulfoxideMeets the requirementChromatographic purityThe peak response due to menthol is not less than 97%Pass TestRelated substancesExamine by gas chromatographyPass TestConclusionAnalytical results conforming tostandard USP31/BP2005