• Aspirin,(British Pharmacopoeia BP2005 version) System 1
  • Aspirin,(British Pharmacopoeia BP2005 version) System 2
Aspirin,(British Pharmacopoeia BP2005 version)

Aspirin,(British Pharmacopoeia BP2005 version)

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
300 m.t./month

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Aspirin (British Pharmacopoeia BP2005 version) 
Project  standard
Appearance  white crystal or crystalline powder
Content%                       99.5%-101.0%
Solution color and clarity  should be clarified and colorless
Heavy Metal   ≤20ppm
Sulfate ash  ≤0.1%
Loss on drying  ≤0.5%
Free salicylic acid  ≤500ppm
Related substances   ≤0.1%
Packaging: Compound Kraft bag 500 * 800mm, carton composite 500KG / packet  
Polyethylene bags 480 * 850mm; composite fiber can 350 * 420mm with net weight of 25kg 
Storage: home sealed containers, dry place to preserve
Aspirin (vinegar sulfate) United States Pharmacopoeia USP-29 version 
Project  standard
Appearance  white crystal or crystalline powder
Content%  99.5-100.5
Chloride  ≤0.014
Sulfate  ≤0.04
Heavy metal  ≤10
Loss on drying   ≤0.50
Residue on ignition  ≤0.05
Readily carbonizable substance  ≤ reference solution Q
Free salicylic acid  ≤0.10
Clarity of solution  should be clarified 
Volatile organic impurities  compound standard
Packaging: Compound Kraft bag 500 * 800mm, carton composite 500KG / packet   
Polyethylene bags 480 * 850mm; composite fiber can 350 * 420mm with net weight of 25kg  
Storage: home sealed containers, dry place to preserve 
Aspirin (Chinese Pharmacopoeia 2005 Edition) 
Index name   quality indicator
Appearance   white crystal or crystalline powder
Sour  tasteless or slightly acidic
Clarity solution  
Free salicylic acid  ≤0.1%
Readily carbonizable substance  ≤ reference solution
Residue on ignition  ≤0.1%
Heavy Metal  ≤10ppm
Content  ≥99.5%
Packaging: Compound Kraft bag 500 * 800mm, carton composite 500KG / packet    
Polyethylene bags 480 * 850mm; composite fiber can 350 * 420mm with net weight of 25kg   

 

Q:Comparison of Solubilization of Benzene and Its Derivatives
The chemical properties of benzene are: under certain conditions, benzene can be with hydrogen, bromine, concentrated nitric acid, concentrated sulfuric acid and other substances chemical reaction, benzene can also be generated in the air combustion of carbon dioxide and water. I hope my answer can be helpful for your study!
Q:What is the derivative of benzene?
Benzene homologues: the structure of similar molecular composition of a number of different groups of CH2 atoms.
Q:Benzene derivatives are named from small groups to large groups or from large to small. The following three examples contradict each other ah!
The first should be called p-ethyl toluene, 2,3 pairs, should start from small groups.

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