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Aspirin or Acetylsalicylic Acid CAS 50-78-2 
Product Name: Aspirin
Synonyms: Acetylsalicylic Acid, Acetyl Salicylic Acid, Salicylic acid acetate, Acidum acetylsalicylicum
CAS Number: 50-78-2
Characteristics: White crystalline powder or colorless crystals
Solubility: Slightly soluble in water; Freely soluble in alcohol.
Melting Point: Refer to Certificate of Analysis below.
Content: 99.5% ~ 100.5 on dried basis.
Particle sizes: According to client’s requirement.
Formula: C9H8O4
Storage conditions: Sealed drums, avoid direct sunlight.
Package: 25Kg/Fiber Drum
Usage: Aspirin (Acetylsalicylic Acid) powder are the active ingredient in Aspirin Tablets Capsules, Suppository. Aspirin’s main function is to make us fell better when suffering from pain.
Certificate of Analysis—Aspirin (Acetylsalicylic Acid)
Name of Product |
Aspirin (Acetylsalicylic Acid) |
|
Testing Item |
Standard |
Result |
Appearance |
White crystal or crystalline powder. Slightly soluble in water and freely soluble in alcohol(96%), melts at about 143 Cº |
Complies |
Identification A |
Infrared absorption spectropho-tometry complies with ASP.CRS |
Complies |
Identification B |
Melting point is 156~161 Cº |
159.2 Cº |
Loss on drying |
≤0.5% |
0.21% |
Sulfated Ash |
≤0.1% |
0.02% |
Particle size |
30~60mesh |
100% Pass |
Heavy metals |
≤20ppm |
＜20ppm |
Related Substance |
Single impurity≤0.1% |
0.04% |
Total impurity≤0.25% |
＜0.25% |
|
Biological Purity |
Should not be detected. |
Not detected |
Appearance of solution |
Solution is clear and colorless |
Conform |
Assay (Aspirin/Acetylsalicylic Acid) |
Contains C9H8O4 99.5%-101.0% |
99.68% |
