Menthol Crystals

Menthol Crystals (L-Menthol)

Source: Natural Mentha arvensis oil

CAS: 2216-51-5 FEMA: 2665 Formula: C₁₀H₂₀O Purity ≥ 99.0%

Grade: Pharmaceutical / Food / Flavour / Cosmetic

Physico-Chemical Data

Assay (GC)≥ 99.0 %
Melting Point41 – 44 °C
Optical Rotation−49° to −51°
Refractive Index1.459 – 1.465

Purity & Safety [cite: 119]

Heavy Metals≤ 10 ppm
Arsenic≤ 3 ppm
Lead≤ 5 ppm
Loss on Drying≤ 0.5 %

Typical Certificate of Analysis (COA) [cite: 123]

Test ParameterSpecificationTypical Result
Assay (GC)≥ 99.0 %99.6 %
Melting Point41 – 44 °C42.5 °C
Optical Rotation−49° to −51°−50.2°

Conclusion: Conforms to specification and suitable for pharma applications. [cite: 124]