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CAS:99-27-4 Dimethyl 5-aminoisophthalate 5-Aminoisophthalic acid dimethyl ester
Product name |
Dimethyl 5-aminoisophthalate |
CAS |
99-27-4 |
Boiling point |
178-180 °C |
Melting point |
178-181 °C (lit.) |
Density |
1.248±0.06 g/cm3(Predicted) |
Storage |
Inert atmosphere,2-8°C |
Molecular Weight |
209.2 |
Item |
Standard |
Test Results |
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Identification |
A.H-NMR:Comply with the structure |
Complies |
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B.LC-MS:Comply with the structure |
Complies |
|||
C.The IR spectrum of sample should be identical with that of reference standard. |
Complies |
|||
D.HPLC-ESI-MS |
Complies |
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Loss on drying |
≤2.0% |
0.19% |
||
Heavy metals |
≤10 ppm |
<10ppm |
||
Water |
≤1.0% |
0.1% |
||
Sulphated ash |
≤0.5% determined on 1.0 g. |
0.009% |
||
Residue on ignition |
≤0.1% |
0.03% |
||
Related Substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
|
Total Impurities |
≤0.5% |
0.18% |
||
Purity |
≥99.0% |
99.7% |
||
Assay |
99.0%~101.0% (anhydrous substance). |
99.8% |
||
Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
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