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Product Introduction
(1R,2S,5R)-(-)-Menthol (L-Menthol) is the natural form of Menthol. L-Menthol is used as: refreshing agent, food flavor, cool and antipruritic drug, carminative drug. Menthol crystals is used for pers onal care and cosmetics.
Poison by intravenous route. Moderately toxic by ingestion, intraperitoneal, and subcutaneous routes. An eye irritant. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
SPECIFICATION OF CAS: 2216-51-5 L-Menthol
ITEMS | SPECIFICATION |
Solubility | 490mg/l |
Color | Colorless to white |
Boiling point | 212 °C (lit.) |
Specific Gravity | 0.89 |
Pka | 15.30±0.60 |
BRN | 1902293 |
Alpha | -51 o (589nm, c=10, EtOH) |
Storage temp. | Store below +30°C. |
Refractive index | 1.46 |
Form | Crystals or Crystalline Needles |
EPA Substance Registry System | Levomenthol (2216-51-5) |
FEMA | 2665 | MENTHOL RACEMIC |
InChIKey | NOOLISFMXDJSKH-KXUCPTDWSA-N |
Fp | 200?°F |
Vapor pressure | 0.8 mm Hg (20 °C) |
Density | 0.89 g/mL at 25 °C (lit.) |
Water Solubility | insoluble |
Melting point | 41-45 °C (lit.) |
Merck | 14,5837 |
Stability | Stable. |
Optical activity | [α]22/D 49°, c = 10 in 95% ethanol |
NIST Chemistry Reference | Cyclohexanol, 5-methyl-2-(1-methylethyl)-, [1R-(1?alpha?,2?beta?,5?alpha?)]-(2216-51-5) |
CAS DataBase Reference | 2216-51-5 (CAS DataBase Reference) |
FAQ
1) What's the order procedure?
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pre-paid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 7-15days if we don't have the items in stock.
Before production finished, we will contact you for shipment details, and the balance payment.
2) How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection. We check the products of every batches when they go into next step production.
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