Skip to Content
Merck
All Photos(1)

Documents

1381709

USP

Menthol

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(−)-Menthol, (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol, 5-Methyl-2-(1-methylethyl)cyclohexanol

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C10H20O
CAS Number:
Molecular Weight:
156.27
Beilstein:
1902293
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

menthol

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

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

Looking for similar products? Visit Product Comparison Guide

General description

Menthol is an alcohol extracted from various mint oils or prepared synthetically. It exists in two forms: levorotatory (l-menthol), which can be found in natural or synthetic sources, and racemic (dl-menthol).

Application

Menthol USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Menthol Lozenges
  • Tetracaine and Menthol Ointment
  • Benzocaine and Menthol Topical Aerosol®
  • Anethole

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Legal Information

Aerosol is a registered trademark of Cytec Technology Corp.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Titeyut Wongsanao et al.
Pharmaceutical biology, 59(1), 854-859 (2021-07-02)
Psidium guajava L. (Myrtaceae) leaf contains a wide variety of bioactive compounds that contribute valuable effects on human well-being. This study investigates the influence of guava leaf extract-menthol toner on thermoregulation, including perspiration, skin temperature, and recovery heart rate. This
Tetracaine and Menthol Ointment?
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 4294-4294 (2013)
Menthol
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 49(5) (2022)
Benzocaine and Menthol Topical Aerosol
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 41(1), 518-518 (2016)
Menthol Lozenges
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 40(2), 2782-2782 (2013)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service