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Products Details

Aspirin 阿司匹林

  • Cas NO.:50-78-2
  • Molecular Formula:C9H8O4
Details

Item

Specification

Analysis Results

Conclusion

Appearance

White crystal or crystalline powder

White crystal

Conform

Identification

A violet-red color is produced

Positive

Confirm

Infrared absorption

Comply with aspirin.CRS

Comply

Confirm

Loss on drying

0.5%

0.02%

Conform

Readily carbonizable substance

No more color than M.F.Q

No more color than M.F.Q

Conform

Substances insoluble in sodium carbonate

The solution is clear

Clear

Chloride

0.014%

0.014%

Sulfate

0.04%

0.04%

Heavy metals

10ppm

10ppm

Free salicylic acid

0.1%

0.1%

Residual solvents

LOD0.5%

0.025

Assay(on dried basis)

C9H8O4 99.5%

99.7%

Conform

Storage & Conclusion

Storage

Store in a well-closed place with room temperature and no direct sun light.

Conclusion

Qualified with the specification.

Notes

Values of the results shown are based upon analysis of samples taken from this batch randomly.


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