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Technical Data Sheet L-Menthol

Compound Information
Product Name: L-Menthol
CAS No.: 2216-51-5
Molecular Formula: C10H20O
Molecular Weight: 156.27
Storage: Store at RT
Revision Date: 2026-04-15
Analytical Information
Tests Specifications
Purity by GC 98 - 102%
Appearance Prismatic or acicular shiny large crystals
Odor at 10.00 % in dipropylene glycol. peppermint cooling mentholic minty
Melting Point 41-45 °C (lit.)
Specific Rotation [a]D20 = -45 to -51 ° (L-Menthol), [a]D20 = -2 to +2 ° (DL-Menthol)
Oxidizable Substances Readily oxidizable substance in DL-Menthol : Purpule coloration of KMnO4 solution should persist for NLT 5 min.
Non-Volatile Matter ≤ 0.05%
Related Substances Individual impurities : ≤ 0.3%, Total impurities : ≤ 2%
Specification Reference USP
Additional Information Identication A, B : To pass test, Congealing range of DL-Menthol : DL-Menthol should congeal at temperature between 27 -28 °C. After addition of few mg of dried DL-Menthol to the congealed mass, the temperature should rise to 30.5 to 32.0 °C., For Laborat
MS Pass test
¹H NMR Pass test
¹³C NMR Pass test
IR Pass test
Raman Pass test
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