What is Menthol Crystal?
Menthol crystals are cooling, refreshing, and have a pleasantly strong minty aroma. They are often used in cosmetics, salves,balms, medicated creams, throat lozenges, toothpaste, mouthwash, gum, foot sprays, pain relief or cooling body products, shampoos,conditioners, liniments, shaving creams, oral or throat sprays, compresses, medicated oils, and cooling gels. Menthol crystals are excellent for use in these products to help relieve muscular aches and pains, coughing, congestion, the flu, and upper respiratory problems. Since Menthol crystals are so concentrated, only a very small amount is needed within products. When purchasing Menthol crystals remember that a good quality menthol crystal usually contains not less than 99.4% menthol.
| Item | Specifications | Results |
| USP31 | BP2012 |
| Identification | Colorless, transparent hexagonal or needlelike crystals. | Conforms |
| Melting point | 41~44ºC | About43ºC | 41.5~42.5ºC |
| Solubility | 1g soluble in 5ml of 90%(v/v) alcohol, forming a clear solution | Conforms |
| Specific rotation | -45°~-51° | About-50° | -49.68° |
| Limit of nonvolatile residue | Not overrun 0.05 under condition of 105ºC | 0.01 |
| Organic volatile impurities | Solvent-Use dimethyl sulfoxide | Meets the requirement |
| Chromatographic purity | The peak response due to menthol is not less than 98% | ≥99.3% |
| As content | ≤3ppm | <3ppm |
| Heavy metals | ≤10ppm | <10ppm |
| Residue on ignition | ≤0.1% | 0.03% |
| Related substances | Examine by gas chromatography | Conforms |
| Conclusion | The results conform with BP2012/USP31 standards
|
Product application:
1.Applied in food field, often used as additives, with distinct fragrance smell, menthol can promote digestion and increase appetite.
2.Applied in daily necessities field, menthol can be added into a large amount of oral cleaning products, such as dentifrices, mouthwash and tooth powder.
3.Applied in pharmaceutical field, because menthol has the function of inhibition and paralysis to sensory nerve endings, it can be used as counter irritant.
Hebei Jingbo New Material Technology Co., Ltd. was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.Our company has strong technical strength, advanced equipment, strict quality management system and high-quality after-sales service, adhers to the "customer first and forge ahead" business philosophy and insists on integrity as the company's survival.
China
