Direct supply from state-of-the-art distillation facilities. Retaining all essential original products.
An in-depth market analysis for industrial buyers, formulation chemists, and supply chain managers.
DL-Menthol (CAS No. 89-78-1), an optically inactive, racemic mixture of d-menthol and l-menthol, is a critical chemical compound in the global flavor, fragrance, pharmaceutical, and oral care industries. Unlike its counterpart, natural L-menthol, which is harvested from cornmint oil (Mentha arvensis), DL-Menthol is predominantly synthesized using sophisticated chemical synthesis routes. This synthetic nature provides exceptional price stability, a highly reliable supply chain independent of weather anomalies, and high chemical purity. Global sourcing directors turn to reputable manufacturers to mitigate risks associated with harvest fluctuations and to secure high-performance cooling additives at an optimized cost.
The global demand for DL-Menthol has witnessed robust CAGR growth, driven by rapid urbanization and the expansion of the consumer goods, personal care, and pharmaceutical markets. High-purity synthetic DL-Menthol provides formulation stability in oral care products (toothpastes, mouthwashes), where exact flavor matching is critical. In the cosmetic sector, it serves as a topical sensory cooling agent, triggering cold-sensitive receptors (TRPM8) in the skin without actually causing a temperature drop.
At Jiangxi Hairui Natural Plant Co., Ltd., we combine our extensive historical expertise in plant extraction with high-purity synthesis technologies. Our infrastructure allows us to cater to massive volume requests while maintaining competitive pricing—making us a preferred discount DL-Menthol exporter on the global stage.
Highly effective cooling agents and natural plant oils currently trending in the global market.
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Read More →Comparing chemical performance, crystallization properties, and cooling pathways.
The manufacturing process of DL-Menthol typically follows the hydrogenation of thymol or the condensation of m-cresol. This chemical route produces a racemic compound featuring four pairs of diastereomers, where the (±)-menthol isomer dominates. Compared to L-Menthol (which has a melting point of 42-45°C), DL-Menthol melts at a lower range (34-36°C). This characteristic makes it highly attractive for low-temperature industrial blending, saving significant thermal energy costs during large-scale liquid formulation processing.
Modern chemical formulators rarely use DL-Menthol in isolation. To achieve a long-lasting, deep cooling profile without the harsh, volatile vapor of pure menthol, chemists combine DL-Menthol with low-odor, long-acting cooling compounds such as Menthyl Lactate, WS-3, and WS-23. By customizing the ratio, researchers can generate highly pleasant oral care sensations or non-irritating, soothing dermaceutical creams.
| Parameter | Synthetic DL-Menthol | Natural L-Menthol | Menthyl Lactate | Cooling Agent WS-3 |
|---|---|---|---|---|
| CAS Number | 89-78-1 | 2216-51-5 | 59259-38-0 | 39711-79-0 |
| Source | Chemical Synthesis (Thymol) | Mint Herb Extraction (Mentha) | Esterification of Menthol/Lactic | Synthetic Amide Derivative |
| Melting Point (°C) | 34°C - 36°C | 42°C - 45°C | 40°C - 44°C | 95°C - 98°C |
| Cooling Longevity | Short to Medium (High Impact) | Short (Highly volatile) | Long (Delayed onset) | Extremely Long (Persistent) |
| Odor Profile | Clean, fresh mint aroma | Strong herb-like peppermint | Almost odorless / mild mint | Completely odorless |
We source our raw materials with high standards, strictly controlling and supervising the entire production process.
Usually extracted by steam distillation or cold compression. The raw material used in the production of essential oils, food, and cosmetics are the second largest category of our products, such as camellia oil, eucalyptus oil, oregano oil, and peppermint oil.
Also known as medium oil or carrier oil, usually extracted by cold compression. Single essential oils cannot be rubbed directly on the skin; they must be diluted in a carrier oil. Many carrier oils have medical properties of their own.
Usually separated by cooling from the essential oil. Premium products come from high-quality raw materials. We have a 5000+ acre self-owned raw material production base, supervising seedling raising, planting, and harvesting.
Optimizing formulation performance across diverse commercial and medical sectors.
From a formulation standpoint, DL-Menthol is a powerful, multifunctional tool. Below, we examine the precise mechanisms of action that make synthetic DL-Menthol indispensable across major industrial domains.
In topical pharmaceutical preparations, DL-Menthol acts as a penetration enhancer. It temporary alters the lipid barrier of the stratum corneum, enabling co-administered active pharmaceutical ingredients (APIs)—like NSAIDs or local anesthetics—to penetrate deep dermal tissues more rapidly. Additionally, it targets the TRPM8 receptors to mitigate pain perception, making it the primary ingredient in anti-arthritic patches, muscle relief rubs, and cough-suppressant lozenges.
The refreshing burst associated with premium toothpastes, dental gels, and alcohol-free mouthwashes relies heavily on the cooling stability of DL-Menthol. Unlike natural mint oils, which contain fluctuating traces of terpene hydrocarbons that can oxidize and cause off-flavors over time, synthetic DL-Menthol ensures shelf-life flavor consistency. It provides a long-lasting sensation of cleanliness and neutralizes malodorous breath compounds.
For large-scale cosmetic manufacturers, using synthetic DL-Menthol is the standard approach to formulating cooling body washes, refreshing aftershaves, and revitalizing scalp shampoos. By eliminating the volatile botanical impurities of natural harvest oils, synthetic menthol prevents skin sensitization and redness, creating a highly reproducible sensory profile.
Jiangxi Hairui Natural Plant Co., Ltd. - A legacy of technical expertise and scale.
WHO WE ARE? Founded in 2006, Jiangxi Hairui Natural Plant Co., Ltd. is an enterprise that specializes in the production and sale of natural plant essential oils and synthetic derivatives. Located in the Jinggang Mountain High-Tech Development Zone, Ji'an, our location provides access to abundant raw natural resources. Having invested a total of RMB 50 million, our plant covers 13,000 square meters and boasts first-class inspection and analytical testing equipment, yielding an annual capacity of 2,000 tons of premium quality oils and cooling agents.
Tailored raw materials supporting agricultural, cosmetic, pharmaceutical, and aromatherapeutic innovations.
Sweet orange oil is a natural orange peel extract, derived from nature, without any residual risk, and safe to the ecological environment. It promotes crop leaf respiration and photosynthesis while acting as a natural pest control adjuvant.
Castor oil promotes hair growth and provides intense scalp moisturization, making hair highly reflective and glossy. It helps maintain a healthy scalp and is a core component in premium natural cosmetics.
Evening primrose oil contains high levels of r-linolenic acid (GLA) and linoleic acid (LA), enriched with vital minerals and vitamins. It is processed into pharmaceutical softgels to support cardiovascular wellness and hormonal balance.
Discovered by French chemist René-Maurice Gattefossé in 1928, lavender essential oil molecules interact directly with the olfactory nerves and the brain's limbic system, regulating stress levels and emotional states.
Understanding global safety parameters, chemical storage regulations, and quality testing standards.
To secure absolute purity for synthetic cooling agents like DL-Menthol, Jiangxi Hairui operates under a strict testing regime:
When purchasing bulk DL-Menthol, global trade regulatory compliance is vital. At Hairui, our operations align with international safety criteria. We provide complete paperwork including MSDS (Material Safety Data Sheets), REACH compliance for European imports, COA (Certificate of Analysis) verifying assay results over 99%, and specialized Kosher & Halal certifications for food and oral care formulations.
Storage Best Practices: Since DL-Menthol has a low melting point (34°C - 36°C), it should be stored in original, tightly sealed containers in dry, climate-controlled warehouses. Avoid exposure to direct sunlight or temperatures exceeding 30°C to prevent the crystals from sintering or melting.
Audited facilities meeting global import and safety standards.
Addressing the critical scientific and logistical questions of industrial chemical buyers.
Retaining all essential original product links. Factory direct supply with certified logistics support.
