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1 Gram |
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65-28-1 Vitamins Amino Acids and Coenzymes
Product name
Phentolamine mesilate CAS:65-28-1
Packaging, Storage &Shelf Life
Package
1kg/bag,25kg/ drum
Storage
Stored in original packaging for two years at a temperature not exceeding 40°C.
Shelf life
2 years if sealed and stored properly.
Specification
Tests |
Specification |
Test results |
|
Description |
White crystalline powder |
Conforms |
|
Identification |
IR. UV. RF value |
Conforms |
|
Loss on drying |
Not more than 0.5% |
0.28% |
|
Residue on ignition |
Not more than 0.1% |
0.016% |
|
Sulfate |
Not more than 0.2% |
0.006% |
|
Chromatographic purity |
Total: not more than 1.0% |
0.3% |
|
Individual: not more than 0.5% |
0.16% |
||
Organic solvents |
Ethyl Alcohol |
Not more than 0.5% |
0.135%(G/G) |
Acetone |
Not more than 0.5% |
0.125%(G/G) |
|
Assay |
Between 98.0% and 102.0% |
99.6% |
|
Conclusion: Passed test according to the Standard of USP32 |
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