Menthol

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1 Kilogram	Negotiable

1 Kilogram

Negotiable

Menthol Crystal Menthol Cas no.89-78-1

Appearance:Colorless, Transparent prism-shaped or needle- like crystals;
Application:Widely used in medicine, food, tobacco, daily chemical products and other fields
PackAge:25kg fiber drum with PE inner
ProductionCapacity:2000|Metric Ton|Year
Storage:Store in a cool, dry, ventilated environment.
Transportation:The transportation shall be in accordance with the requirement of general chemicals.

Menthol is an organic compound made synthetically or obtained from corn mint, peppermint, or other mint oils. It is a waxy, crystalline substance, clear or white in color, which is solid at room temperature and melts slightly above.

The main form of menthol occurring in nature is (−)-menthol, which is assigned the (1R,2S,5R) configuration. Menthol has local anesthetic and counterirritant qualities, and it is widely used to relieve minor throat irritation. Menthol also acts as a weak kappa opioid receptor agonist.

Items	Standards
	USP35	BP2012
Identification	Prismatic or acicular,clolurless,shiny crystals,practically insoluble in water, very soluble in alcohol and in light petroleum,freely soluble in fatty oils and in liquid paraffin,very slightly soluble in glycerol.
Melting point(℃)	41℃---44℃	About 43℃
Solubility	Dissolve 2.50g in 10ml of alcohol R and dilute to 25.0ml with the same solvent.
Specific rotation (25℃)	-45°～-51°	About -50°
Limit of Nonvolatile residue (%)	Not overrun 0.05 under condition of 105℃
Organic volatile impurities	Solvent-Use dimethyl sulfoxide
Chromatographic purity	The peak response due to menthol is not less than 97%
As content	≤3ppm
Heavy metals	≤10ppm
Residue on ignition	≤0.1%
Related substances	Examine by gas chromatography

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