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Analgin or Metamizole Sodium or Dipyrone CAS 68-89-3 
Product Name: Analgin (Metamizole Sodium)
Synonyms: Dipyrone, Metamizolum natricum
CAS Number: 68-89-3 or 5907-38-0
Characteristics: A white or almost white crystalline powder
Solubility: Analgin (Metamizole Sodium) is Soluble in alcohol and very soluble in water.
Content: 99%~100.5%
Standard: DAB10, EP, BP, CP
Formula: C13H16N3NaO4S,H2O
Storage conditions: Sealed container.
Package: 25Kg/Fiber Drum
Usage: Analgin is also called Metamizole Sodium, Dipyrone. There are injection grade and oral grade for Analgin. Analgin (Metamizole Sodium) is one of the safest Analgesic-Antipyretic substance. The preparations in the markets are like Metamizole Sodium Injection, Metamizole Sodium Tablet, etc.
Certificate of Analysis-- Analgin (Metamizole Sodium)
Items |
Specifications |
Result |
Appearance |
An almost white crystalline powder |
Pass |
Identification |
1) Infrared spectrum comply with the reference. 2) the color is from blue to dark red 3) color bluish violet 4) examine0.5gtestanalgin, Sodium can be identified. |
Positive reaction |
Clarity& color of solution |
Dab10/ep5 |
Suspension i by6 |
Acidity or alkalinity |
Dab10/ep5 |
0.1ml |
Related substances (hplc) |
Impurity c≤0.5% Total impurities ≤0.5% Any individual impurity except c≤0.2% |
Pass |
Sulphate |
≤0.1% |
0.1% |
Solvent residues(ethanol) |
Not more than 5000ppm |
＜100ppm |
Heavy metal |
≤20ppm |
10ppm |
Loss on drying |
4.9%~5.3% |
5.1% |
Assay (on the dried basis) |
99%~100.5% Analgin (Metamizole Sodium) |
99.2% |
