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Product name: |
Mafenide Acetate |
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Empirical formula: |
C7H10N2O2S. C2H4O2 |
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Molecular weight: |
246.29 |
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CAS: |
[13009-99-9] |
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Description: |
White to almost white crystalline substance. |
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Identity |
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IR spectrum: |
Complies |
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TLC: |
Complies |
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Melting range: |
162 - 171 ˚C The range between beginning and end of melting does not exceed 4 ˚C |
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pH of 10 % (w/v) aqueous solution: |
6.4 – 6.8 |
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Water (K.F. titration): |
Max. 1.0 % |
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Heavy metals: |
Max. 0.002 % |
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Residue on ignition: |
Max. 0.2 % |
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Selenium: |
Max. 0.003 % |
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Total sum of impurities (TLC): |
Max. 1.0 % |
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Any individual impurity (TLC): |
Max. 0.5 % |
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Organic volatile impurities: (Method V) |
Must pass USP 26, <467> |
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Assay (UV spectrophotometry, calculation based on anhydrous substance): |
98.0 – 102.0 % |