Product Description
CAS NO.: 56-75-7
EINECS NO.: 200-287-4
MF: C11H12Cl2N2O5
MW: 323.13
Melting point: 148-150 °C(lit.)
Standard: EP/BP/USP
EC: 200-287-4
Molecular formula: C11H12Cl2N2O5
Molecular weight: 323.1294
Exact mass: 322.01200
PSA : 115.38000
LogP : 1.82310 Items | Standard |
Characters | Fine,white to grayish-white or yellowish-white, needlelike crystals or elongated plates. |
Its solutions are practically neutral to litmus.It is reasonably stable in neutral or moderately acid solutions.Its alcohol solution is dextrorotatory and its ethyl acetate solution is levorotatory.Slight soluble in water;freely soluble in alcohol, in propylene glycol,in aceton, and in ethyl acetate |
Identification | IR |
HPLC |
Melting range | 149°C~153°C |
Specific rotation | 17.0º~20.0º |
Crystallinity | Meets the requirements |
pH | 4.5 ~ 7.5 |
Chromatographic purity | Individaul impurity≤1%; Total impurities≤2% |
Residual solvents | ≤0.3% methanol≤0.3% |
≤0.3% methyl dichloroacetate≤0.3% |
≤0.5% benzoic aldehyde≤0.5% |
Assay | 97.0%~103.0% |
Microbial limit | Bacteria | Not more than 10 per g |
Mold & yeast | Absent per g |
Escherichia coli | Absent per g |
Pseudomonas aeruginosa & staphylococcus aureus | Absent per g |
Packing & Shipping
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