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10 Kiloliter |
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Trimethoprim discount Trimethoprim 98%MIN 738-70-5 factory
738-70-5 Trimethoprim 98%MIN discount factory
Melting point | 199-203 °C |
Boiling point | 432.41°C (rough estimate) |
density | 1.1648 (rough estimate) |
refractive index | 1.6000 (estimate) |
storage temp. | 2-8°C |
solubility | DMSO: soluble |
pka | 6.6(at 25℃) |
form | white powder |
color | colorless or white |
Water Solubility | <0.1 g/100 mL at 24 ºC |
Merck | 14,9709 |
BRN | 625127 |
Stability: | Stable. Incompatible with strong oxidizing agents, acids. |
CAS DataBase Reference | 738-70-5(CAS DataBase Reference) |
NIST Chemistry Reference | Trimethoprim(738-70-5) |
EPA Substance Registry System | Trimethoprim (738-70-5) |
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Items
|
Specifications
|
Analysis Results
|
Appearance | White or yellowish-white powder |
White powder
|
Solubility |
Very slightly soluble in water, slightly soluble in alcohol
|
Conform
|
Identification (IR) |
Complies with reference Spectrum
|
Conform
|
Solution | Not more intensely colored than reference BY7 |
Conform
|
Single Impurity | ≤0.1% |
<0.1%
|
Total Impurities | ≤ 0.2% |
<0.2%
|
Heavy Metals | ≤ 20 ppm |
< 20 ppm
|
Loss on Drying | ≤ 1.0% |
0.3%
|
Sulphated Ash | ≤ 0.1% |
0.02%
|
Impurity K | ≤ 5 ppm |
Conform
|
Assay | 98.5% ~ 101.0% |
99.9%
|
Conclusion | Complies with the requirements of BP2002/ EP6 |
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