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China Northwest Factory Manufacturer L-Menthol Cas 2216-51-5 For stock delivery

China Northwest Factory Manufacturer L-Menthol Cas 2216-51-5 For stock delivery

  • Purity
    99.9%
  • Use
    Health Care
  • Origin
    China
  • Package
    1KG/Tin 25KG/Drum*Carton
  • Manufacturer
    XI'AN LEADER BIOCHEMICAL ENGINEERING CO.,LTD
  • Place of Origin
    CHINA
  • Brand Name
    Leader
  • Certification
    ISO,GMP,SGS,HALA,KOSER,HACCP
  • Model Number
    LD
  • Minimum Order Quantity
    25KGS
  • Price
    Negotiate
  • Packaging Details
    25KG/Drum
  • Delivery Time
    2-3 working days
  • Payment Terms
    Western Union, MoneyGram, T/T, L/C
  • Supply Ability
    10MTS/Month

China Northwest Factory Manufacturer L-Menthol Cas 2216-51-5 For stock delivery

L-Menthol Basic information
Product Name: L-Menthol
Synonyms: (1R-(1-alpha,2-beta,5-alpha))-5-Methyl-2-(1-methylethyl)cyclohexanol;(1r,3r,4s)-(-)-mentho;(1R,3R,4S)-(-)-MENTHOL;(R)-(-)-Menthol;Emtricitabine Impurity 31;Natural Menthol Crystal;L-Meng alcohol Natural menthol Menthol (L);DL-Menthol menthol crystal extract
CAS: 2216-51-5
MF: C10H20O
MW: 156.27
EINECS: 218-690-9
Product Categories: Inhibitors;Organics;chiral;Biochemistry;Terpenes;API;Terpenes (Others);for Resolution of Acids;Monocyclic Monoterpenes;Optical Resolution;Synthetic Organic Chemistry
Mol File: 2216-51-5.mol
L-Menthol Structure
 
L-Menthol Chemical Properties
Melting point 41-44 °C(lit.)
alpha -51 º (589nm, c=10, EtOH)
Boiling point 212 °C(lit.)
density 0.89 g/mL at 25 °C(lit.)
vapor pressure 0.8 mm Hg ( 20 °C)
FEMA 2665 | MENTHOL RACEMIC
refractive index 1.46
Fp 200 °F
storage temp. −20°C
solubility 490mg/l
form Crystals or Crystalline Needles
pka 15.30±0.60(Predicted)
color Colorless to white
Specific Gravity 0.89
optical activity [α]22/D 49°, c = 10 in 95% ethanol
Water Solubility insoluble
Merck 14,5837
BRN 1902293
Stability: Stable.
InChIKey NOOLISFMXDJSKH-KXUCPTDWSA-N
CAS DataBase Reference 2216-51-5(CAS DataBase Reference)
NIST Chemistry Reference Cyclohexanol, 5-methyl-2-(1-methylethyl)-, [1R-(1«alpha»,2«beta»,5«alpha»)]-(2216-51-5)
EPA Substance Registry System Levomenthol (2216-51-5)
 
Safety Information
Hazard Codes Xi
Risk Statements 37/38-41-36/37/38
Safety Statements 26-39-37/39-36
WGK Germany 2
RTECS OT0700000
TSCA Yes
HS Code 29061100
Hazardous Substances Data 2216-51-5(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 3300 mg/kg LD50 dermal Rabbit > 5000 mg/kg
MSDS Information
Provider Language
(1R,2S,5R)-(-)-Menthol English
SigmaAldrich English
ACROS English
ALFA English
 
L-Menthol Usage And Synthesis
Chemical Properties white to light yellow crystal powde
Uses analgesic (topical), antipruritic agent
Uses (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.
Definition ChEBI: A p-menthan-3-ol which has (1R,2S,5R)-stereochemistry. It is the most common naturally occurring enantiomer.
Safety Profile 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.
Purification Methods Crystallise menthol from CHCl3,pet r or EtOH/water. [Barrow & Atkinson J Chem Soc 638 1939, Beilstein 6 III 133, 6 IV 150.]
 
L-Menthol Preparation Products And Raw materials
Raw materials m-Cresol-->Petroleum crude oil-->Citronellal-->Thymol-->Cornmint oil-->PEPPERMINT-->DL-Menthol-->ISOPULEGOL, TECH.-->L-MENTHONE-->NEOMENTHOL, (-)-(SG)
Preparation Products (R,R)-DIPAMP-->(-)-MENTHOXYACETIC ACID