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Current location:  Products>>Azelaic Acid>>Introduce || Quality Standard || Packaging
QUALITY STANDARD OF AZELAIC ACID
Item Specification
Appearance White to Light Yellow Powder
Azelaic Acid, %        min 98.0
Total Acid, %         min 99
Melting Point,Deg C 105-110
Water,%              max 0. 5
Solfated Ash, ppm       max 1000
Particle Size, microns     max 50
CL,ppm              max 20
Acid value,  mgKOH/g 585-595
Color (440nm/550nm),  T% 90/98
Conclusion up to grade
This is a general standard, for reference only. Each batch is slightly different. You can send email to us for ask the latest batch of COA.
 
[Related Links]
Azelaic acid introduce.
Packaging of azelaic acid.
 
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