Acetylsalicylic acid

Function:

This product is an antipyretic ant rheumatic that is used to allay fever, headache, arthralgia, acticerheumatism,and rheumatoid arthritis.Toothache and dysmenorrhea and as raw material for making anti-carcinogen.
Acetylsalicylic Acid is also used in analgesics, anti-inflammatories, antipyretics, anticoagulants and anti-rheumatics. It is also used as an additive in food, animal feed, drug and cosmetic.

Name:Acetylsalicylic acid
CAS No.:50-78-2
EINECS No.:200-064-1
MF:C9H8O4
MW:180.16
Purity:99.6%
Appearance:White crystal or crystalline powder,with acid taste and is stable in dry air,slowly hydrolyze into  salicylic acid

             CERTIFICATE OF ANALYSIS

Product name
Aspirin
CAS No.
50-78-2
Outer Packing
Production date
2016-3-16
Shelf life
2019-03-15
Standard adopted
USP36
Items of analysis
Specification
Results
Characters
White crystal or crystalline powder
Complies
Identification
A violet-red color is produced
Postive
Infrared absorption
Sample Infrared absorption Spectropho-tometry Complies with Aspirin CRS
Complies
Loss on drying
Not more than 0.5% of weight
Readily carbonizable substance
No more color than M.F.Q
No more color than M.F.Q
Residue on ignition
NMT0.05%
 0.04%
Substances insoluble in sodium carbonate
The solution is clear
Clear
Chloride
NMT 0.014%
 <0.014%
Sulfate
NMT 0.04%
 <0.04%
Heavy metals
NMT10ppm
 <10ppm
Free salicylic acid
NMT 0.1%
 <0.1%
Residual solvents
Acetic acid:LOD≤0.5%
 0.04%
Assay (on dried basis)
Contains C9H8O4 99.5%—100.5%
 99.7%
Conclusion
Qualified

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