Specification Sheet
Product Name L-Menthol,
≥99%, FCC
Product Number W266590
Product Brand ALDRICH
CAS Number 2216-51-5
Molecular Weight 156.27
 
TEST SPECIFICATION
Appearance (Color) White
Appearance (Form) Conforms to Requirements
  Crystals or Solid
Initial Melting Point ≥41 °C
Final Melting Point ≤44 °C
Infrared spectrum Conforms to Structure
Optical Rotation -51.0 - -45.0 deg
  C = 10%, 95% Ethanol
Purity (GC) ≥99.0 %
Residue on Evaporation ≤0.05 %
Solubility (Turbidity) Clear
  C = 1g/ml, 95% Ethanol
Solubility (Color) Colorless
Reducing Substances Pass
Arsenic (As) ≤3.0 ppm
Cadmium (Cd) ≤1.0 ppm
Mercury (Hg) ≤1.0 ppm
Lead (Pb) ≤10.0 ppm