Description
Technical Parameters
Product Brief Introduction
Product name: Metamizole Sodium (Analgin)
CAS: 68-89-3
MF: C13H16N3NaO4S
MW: 333.34
Product Specification
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Appearance |
White or off-white crystalline powder |
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Identification |
IR: the infrared absorption spectrum of the sample complies with the reference standard |
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Chemical Identification: meet the standard |
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Solubility |
Very soluble in water, soluble in ethanol (96%) |
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Appearance of Solution |
Clear and not more intensely coloured than reference solution BY6 |
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Loss on Drying |
4.9% ~ 5.3% |
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Acidity or Alkalinity |
≤ 0.1ml |
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Sulfate (SO42-) |
≤ 0.1% |
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Related Substances |
Impurity A ≤ 0.2% |
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Impurity B ≤ 0.2% |
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Impurity C ≤ 0.5% |
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Impurity D ≤ 0.2% |
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Total impurities ≤ 0.5% |
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Heavy Metals |
≤ 20ppm |
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Assay (on dried basis) |
99.0%~101.0% |



