Menthol is a cyclic terpene alcohol flavor and fragrance, and its appearance is colorless needle-like or shuttle-like crystals or white crystalline powder. It has the special aroma of mint. It tastes hot at the beginning and then cools down. The ethanol solution shows a neutral reaction. It is easily soluble in ethanol, chloroform, petroleum ether, ether, liquid paraffin or volatile oil, and slightly soluble in water.
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Item
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Standard
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Appearance
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transparate crystal
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Assay
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≥ 98.0%
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Moisture Content
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≤ 1.0%
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Total Sugar
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≤ 1.0%
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Reducing Sugar
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≤ 0.20%
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Specific Rotation (20℃)
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+4.0° – +7.0°
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PH Value (50%)
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5.0 – 7.0
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Residue on Ignition
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≤ 0.1%
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Heavy Metals (as Pb)
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≤ 10ppm
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Melting Point
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≥ 95℃
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Solution Color
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Conforms
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Chlorides
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≤ 0.005%
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Sulphates
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≤ 0.01%
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Particle Size
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60-80 mesh
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Arsenic
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≤ 1ppm
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