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DL-Menthol

Chemical Data

CAS No

89-78-1;1490-04-6

Synonyms

DL-Menthol;DL-Menthol crystal;p-Menthan-3-ol; Racementhol; Menthol Crystals;

(+/-)-2-Isopropyl-5-methylcyclohexanol;

(1R,2S,5R)-5-methyl-2-(propan-2-yl)cyclohexanol;

Molecular Formular

C₁₀H₂₀O

Molecula Weight

156.2652

EINECS NO

201-939-0;216-074-4

Appearance

Colorless transparent prismatic or acicular crystal, aroma of Asia natura menthol feature

Packing

25kg drum

Uses

Used for essential balm,painkillers such as medicine,also used in dentifrices,sweets

beverages,spices,etc

Storage

Keep in sealed and damp proof place.

Physical property

Density

0.89 g/mL at 20 °C

Melting point

32-36℃

Boiling point

215.4°C at 760 mmHg

Flashing point

93.3°C

Water solubility

Insoluble

Vapour pressure

0.0323mmHg at 25°C

Chemical Specification

Items

Standard

Testing result

Character

Colorless transparent prismatic or acicular crystal, aroma of Asia natura menthol feature

Qualified

Melting point

42℃ -- 44℃

42.2℃

specific rotation(20℃)

-50°-- -49°

-49.45°

Non-volatile matter

≤0.05%

0.008%

Heavy Metals ( pb)

≤0.0005%

0.00027%

Arsenic Content

≤0.0002%

0.0001%

Solubility(20℃)

Add 1g volume sample to 5ml volume of ethanol 90%(v/v), obtaining a settled solution

Qualified

Levo-menthol Content

95.0%~105.0%

99.2%

Main Ingredients

Levo-menthol,menthone,dl-isomenthol, pinene etc

Qualified

Conclusion

This product passes the qualified standard of CP 2010 , each of indicators are in accordance with relevant regulation