15785

(−)-Menthol

puriss., meets analytical specification of Ph. Eur., BP, USP, 98.0-102.0%

• Synonym(s): (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol, 5-Methyl-2-(1-methylethyl)cyclohexanol
• Empirical Formula (Hill Notation): C₁₀H₂₀O
• CAS Number: 2216-51-5
• Molecular Weight: 156.27
• Beilstein: 1902293
• EC Number: 218-690-9
• MDL number: MFCD00062979
• UNSPSC Code: 12352001
• PubChem Substance ID: 57647522
• NACRES: NA.22

Properties

• grade: puriss.
• Quality Level: 200
• Assay: 98.0-102.0%
• form: solid
• optical activity: [α]20/D −48 to −51°, c = 10% in ethanol
• quality: meets analytical specification of Ph. Eur., BP, USP
• impurities: acidity or alcalinity, complies; related subst., complies; ≤0.05% non-volatile matter
• mp: 41-44 °C
• suitability: in accordance for appearance of solution
• application(s): pharmaceutical (small molecule)
• SMILES string: CC(C)[C@@H]1CC[C@@H](C)C[C@H]1O
• InChI: 1S/C10H20O/c1-7(2)9-5-4-8(3)6-10(9)11/h7-11H,4-6H2,1-3H3/t8-,9+,10-/m1/s1
• InChI key: NOOLISFMXDJSKH-KXUCPTDWSA-N

Description

General description

(-)-Menthol is a monoterpene.

Application

(-)-Menthol may be used to synthesize:

• chiral enantiopure 2-(1-hydroxyalkyl)pyridines, which can react with phosphorus oxychloride to form C3-symmetric tripodal ligands
• menthylphosphorodichioridite, a chiral derivatizing agent for the determination of enantiomeric purity of chiral diols or diamines by ³¹P NMR spectroscopy
• (2R,4S)-2,3,4,5-tetrahydro-2-(-)-menthyloxy-2-methyl-4-phenylpyrano-[3,2-c]-benzopyran-5-one, an intermediate to prepare a warfarin analog

It may also be used as a chiral auxiliary, to induce chirality while synthesizing (-)-horsfiline.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319
• Precautionary Statements: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): 201.2 °F - closed cup
• Flash Point(C): 94 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves