CAS No.: | 2216-51-5 |
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Formula: | C10h20o |
Type: | Pharmaceutical Intermediates |
Appearance: | Crystal |
Quality: | Technical |
Colour: | White |
Samples: |
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Customization: |
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Testing Items | Standard Requirements |
Testing Result |
Appearance |
Colorless transparent prismatic or acicular crystal |
Qualified |
Scent | aroma of Asia natura menthol feature. | Qualified |
melting point |
42ºC-44ºC | 42.2ºC |
Non-volatile matter |
≤0.05% | 0.01% |
20ºC) specific rotation |
-43°-- -52° | -49.45° |
( pb ) Heavy Metals (By pb) | ≤0.0005% | 0.00027% |
Solubility |
1g 5ml 90% (v/v) Add 1g sample to 5ml of ethanol 90%(v/v), obtaining a settled solution. |
1g 5ml 90% (v/v) Qualified |
% L-menthol | 95.0%~105.0% | 99.2% |
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