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0 Metric Ton |
Negotiable |
L-p-Menthan-3-ol (1R,2R,5R)-5-methyl-2-(propan-2-yl)cyclohexanol; Menthol (1R,2S,5R)-(-)-Menthol
Lonwin Industry group limited as a professional manufactor & exporter of chemical materials ,we totally haver more than 270 stuffs, we have been on this line for more than 9 years. Our chemical materials are exported to lot of countries and regions, including North America, Europe Union and South America, etc.
Lonwinis mainly engaged in Plasticizer, Photoinitiators,cosmetic raw materials, chemical intermediates, Rubber And Plastic Additives , Water Treatment Chemicals , Organic Intermediates icines and nutrition products.With strong ability in the R&D, and world-leading process technology, Lonwin develops new and high-tech chemicals and pharmaceuticals. Synthesis capacity from gram scale, kg scale to MT scale is available.Lonwin focuses on:1) Photoinitiators 2) Plasticizer ,(3) dying material 4) Organic Intermediates 5 Customized products
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Low Price 99% Menthol Crystal / L-Menthol With Stock From Manufacturer
1. Specification of 99% Menthol Crystal
Item |
Specifications |
Results |
|
USP34 |
BP2018 |
||
Identification |
Colorless, transparent hexagonal or needlelike crystals. |
Conforms |
|
Melting point |
41~44℃ |
About43℃ |
41.5~42.5℃ |
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 105℃ |
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 conforms with BP2018/USP34 standards |
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