DL-Menthol (CAS 89-78-1) is a synthetically produced racemic mixture containing equal parts of (1R,2S,5R)- and (1S,2R,5S)-menthol, utilized primarily as a functional cooling agent and flavor enhancer in oral care products, pharmaceuticals, and industrial fragrances. This crystalline Racemic Menthol solid functions by chemically stimulating cold receptors (TRPM8) to produce a cooling sensation, serving as a cost-effective, thermally stable alternative to natural L-Menthol extraction in large-scale manufacturing. As a chemically pure p-Menthan-3-ol derivative, it acts as a versatile Hexahydrothymol component in the formulation of toothpaste, chewing gum, and topical analgesics where consistent sensory modulation is required. We provide this fine chemical with competitive factory pricing to support global compounding operations and guarantee bulk supply availability for high-volume requirements. Our production facility accommodates customized specifications for crystal size and melting point, while every shipment is fully documented with MSDS, TDS, COA files to meet safety and quality standards.
DL-Menthol CAS 89-78-1
- CAS: 89-78-1
- Synonyms: Racemic Menthol, dl-Menthol, p-Menthan-3-ol, Hexahydrothymol, (±)-Menthol
- Einecs: 201-939-0
- Molecular Formula: C₁₀H₂₀O
- Grade: Industrial / Food / Pharmaceutical grade available (customizable)
- Package: 25 kg fiber drum, 180–200 kg drum, or customized packing
Product Description
DL-Menthol (also called racemic menthol or (±)-menthol) is a synthetic mixture of equal parts of D- and L-menthol stereoisomers. It delivers a strong cooling sensation and characteristic peppermint-like aroma, making it a widely used ingredient in flavors, fragrances, personal care, pharmaceuticals, and industrial formulations.
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Physicochemical Properties
| Property | Value |
|---|---|
| Appearance | Colorless to white crystalline solid; characteristic mint odor |
| Melting Point | 34–36 °C |
| Boiling Point | 212–216 °C (at 760 mmHg) |
| Density | ~0.89 g/mL (25 °C) |
| Vapor Pressure | ~0.8 mmHg (20 °C) |
| Flash Point | ~93 °C |
| Solubility | Very soluble in ethanol, ether, chloroform, acetone; slightly soluble in water |
Applications
DL-Menthol is used where cooling, freshness, or mint aroma is needed:
- Flavors & Food Additives
Confectionery, chewing gum, beverages, bakery flavor systems, and aroma enhancers. - Fragrances & Personal Care
Toothpaste, mouthwash, shampoo, soaps, shower gels, deodorants, shaving products, and perfumes. - Pharmaceutical & Health Products
Topical analgesic balms, cough drops, nasal inhalers, antipruritic creams, and cooling gels. - Tobacco & Oral Products
Cigarettes, heated tobacco, and nicotine pouch flavor/cooling systems. - Industrial / Functional Formulations
Household fresheners, aromatherapy blends, and as an intermediate in chemical synthesis.
Storage Conditions
- Store in a cool, dry, well-ventilated area away from direct sunlight.
- Keep container tightly sealed to prevent sublimation and odor loss.
- Recommended storage temperature: room temperature (≤25 °C).
- Avoid proximity to strong oxidizing agents.
Safety Precautions
- Combustible solid; keep away from open flames and high heat.
- May cause skin, eye, and respiratory irritation in concentrated form.
- Use protective measures during handling:
- Safety goggles / face protection
- Chemical-resistant gloves
- Dust mask or respirator if powder becomes airborne
- In case of contact:
- Skin: wash with soap and water
- Eyes: rinse cautiously with water for several minutes
- Inhalation: move to fresh air
- Follow local regulations for transport and industrial use.
FAQ - Technical & Supply Chain
-
Q:
How does CAS 89-78-1 distinguish itself from the generic CAS 1490-04-6?
A: CAS 89-78-1 specifically identifies the racemic mixture (DL-Menthol) with a precise 1:1 ratio of enantiomers, whereas CAS 1490-04-6 is a generic registry number for "Menthol" that does not specify stereochemistry or isomeric purity. -
Q:
Is this synthetic grade chemically equivalent to natural menthol for cooling effects?
A: Yes, while naturally derived L-Menthol has slightly stronger optical rotation properties, this synthetic DL-Menthol (CAS 89-78-1) provides a comparable, cost-efficient cooling sensation and is widely favored for industrial formulations requiring consistent supply stability.
Documents and Product Support
For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.
- COA for batch-based quality reference
- TDS for key physical and chemical information
- SDS / MSDS for handling, storage, and safety reference
- Packing information for sample, trial, and bulk orders
- Technical communication based on application and specification requirements
Information to Confirm Before Quotation
Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.
- Product name and CAS number
- Application or intended end use
- Required purity, grade, or specification
- Sample quantity, trial order, or bulk demand
- Preferred packing form or net weight
- Destination country or port
- Required documents or compliance expectations
Packaging, Storage, and Handling Notes
Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.
Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Sample, Bulk Order and Repeat Supply Support
Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.
For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.
