DL-Menthol

Name: DL-Menthol
SKU: 0

English Name ： DL-Menthol
English Synonyms ： Peppermint camphor; 3-p-Menthanol; Hexahydrothymol; (-)-Menthol; (1R,2S,5R)-Menthol
CAS Number ： 89-78-1 (racemic mixture), 1490-04-6 (natural (-)-isomer)
Molecular Formula ： C₁₀H₂₀O
Molecular Weight ： 156.27 g/mol
Molecular Structure ： CH₃

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Product Description

English Name	DL-Menthol
English Synonyms	Peppermint camphor; 3-p-Menthanol; Hexahydrothymol; (-)-Menthol; (1R,2S,5R)-Menthol
CAS Number	89-78-1 (racemic mixture), 1490-04-6 (natural (-)-isomer)
Molecular Formula	C₁₀H₂₀O
Molecular Weight	156.27 g/mol
Molecular Structure	CH₃ C-CH(CH₃)₂ / HO-C CH₂ / CH₂-CH₂ (Cyclohexanol ring with isopropyl/methyl groups)
Melting Point	42–45°C (natural (-)-menthol)
Applications	1. Flavor/Fragrance: Toothpaste, gum, cosmetics 2. Pharma: Topical analgesics, decongestants 3. Cooling agent: Liniments, inhalers 4. Synthesis: Intermediate for esters
Safety Phrases	H302: Harmful if swallowed H315: Causes skin irritation H319: Causes eye irritation H412: Harmful to aquatic life
Upstream Raw Materials	1. Natural: Peppermint oil (extraction/crystallization) 2. Synthetic: - Thymol (hydrogenation) - Citral (isomerization)