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Diphenhydramine hydrochloride 147-24-0 Diphenhydramine
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CAS: 147-24-0
Appearance: white crystalline powder
specification: 99%
MW: 291.85
Item |
Requirements |
Test Results |
Description |
A white crystalline powder |
Complies |
Identification |
Positive reaction |
Complies |
Solution |
Complies to the requirements |
Complies |
Melting range |
168℃-172℃ |
168.0℃-170.5℃ |
Acidity |
4.0-6.0 |
5.10 |
Appearance of solution |
Complies to the requirements |
Complies |
Related substances(TLC) |
Complies to the requirements |
Complies |
Loss on drying |
≤0.5% |
0.08% |
Absorbency |
12(253nm) |
11.8 |
15(258nm) |
14.9 |
|
12(264nm) |
11.7 |
|
Sulphated ash |
≤0.1% |
0.04% |
Assay |
99.0%~101.0% |
99.80% |
Conclusion |
Meets the Requirements |
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