|
Testing Items |
Quality Criterion |
Testing Result |
|
Color And Appearance |
Colorless, Transparent Hexagonal
Or Needlelike Crystals |
Conform |
|
Odor |
Have the characteristic odor of
Chinese natural menthol |
Conform |
|
Identification |
The retention time of the major peak of the sample solution corresponds to that of the menthol peak of the standard solution, as
obtained in the assay. |
Conform |
|
Melting Point（℃） |
41℃～44.0℃ |
42℃~43.6℃ |
|
Solubility（25℃） |
1g is soluble in 5ml of 90%(v/v) alcohol, forming a
clear solution |
Conform |
|
Limit of Nonvolatile
residue (%) |
NMT 0.05% under condition of 105℃ |
0.01 |
|
Specific Rotation（25℃） |
- 45°～ - 51° |
-49.7° |
|
Arsenic Content（mg/kg） |
≤ 3 |
＜1 |
|
Heavy Metal, as Pb (mg/kg) |
≤ 10 |
＜3 |
|
Assay (GC) |
NLT 98.0% |
99.6% |
|
Related Compounds
|
Individual Impurities NMT 0.3% |
≤0.2 |
|
Total Impurities NMT 2.0% |
≤0.4 |
USP/BP Menthol Crystal free sample can be supplied.
Small sample for quality approval is Free of Charge but the courier charge is required.
About US
|
Product Name |
Raw Material Menthol crystal cas 2216-51-5 bulk Menthol crystal powder |
|
Color |
White Powder |
|
Form |
Powder |
|
Weight |
25 |
|
CAS |
2216-51-5 |
|
Keywords |
Menthol crystal，Menthol crystal powder，bulk Menthol crystal powder |
|
Storage |
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. |
|
Shelf Life |
24 Months |
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