| Detailed Description: |
Cas No. :77-92-9
Product Name: Citric acid |
Product Characters : |
White Crystalline Powders, Colorless Crystals or Granules |
CAS NO : |
77-92-9 |
Executive Standards : |
BP2009/USP32/FCC6/E330/GB1987-2007 |
Packaging : |
25kg net composite paper-plastic bags or 3-ply kraft paper bags with PE liner, 500kg or 1000kg net PP woven Jumbo bags |
Storage : |
Kept in a light-proof, well-closed, dry and cool place |
Main Usage : |
Citric Acid is mainly used as acidulant,flavoring agent, preservative and antistaling agent in food and beverage industry.it is also used as antioxidant,plasticizer and detergent in chemical,cosmetics and cleaning industries. |
Quality Standards of Citric Acid Monohydrate
Item |
Unit |
BP2009 |
USP32 |
FCC6 |
E330 |
GB1987-2007 |
Characters |
White Crystalline Powders,Colorless Crystals or Granules |
Identification |
Pass Test |
Color & Clarity of Solution |
Pass Test |
Assay |
% |
99.5-100.5 |
Water |
% |
7.5-9.0 |
≤ 8.8 |
7.5-8.8 |
7.5-9.0 |
Light Transmittance |
% |
/ |
/ |
/ |
/ |
≥ 95 |
Calcium |
ppm |
/ |
/ |
/ |
≤ 75 |
≤ 200 |
Iron |
ppm |
/ |
/ |
/ |
≤ 5 |
≤ 5 |
Arsenic |
ppm |
/ |
/ |
/ |
≤ 1 |
≤ 1 |
Mercury |
ppm |
/ |
/ |
/ |
≤ 1 |
/ |
Heavy Metals |
ppm |
≤ 10 |
/ |
≤ 5 |
/ |
Oxalate |
ppm |
≤ 360 |
Pass Test |
≤ 100 |
Chloride |
ppm |
/ |
/ |
/ |
/ |
≤ 50 |
Sulphate |
ppm |
≤ 150 |
Readily Carbonisable Substances |
|
Not Darker than Standard |
Pass Test |
≤ 1.0 |
Sulphated Ash |
% |
≤ 0.1 |
≤ 0.05 |
Volatile Organic Impurities |
|
/ |
/ |
Pass Test |
Tridodecylamine |
mg/kg |
/ |
/ |
≤ 0.1 |
Lead |
ppm |
/ |
/ |
≤ 0.5 |
Aluminum |
ppm |
≤ 0.2 |
/ |
/ |
/ |
Bacterial Endotoxins |
IU/mg |
<0.5 |
Pass Test |
/ |
/ |
/ |
Water Insoluble Substances |
Filtration time not more than 1 min;
Filter membrane basically doesn't change color;
Visual mottled particles not more than 3. |
Quality Standards of Citric Acid Anhydrous
Item |
Unit |
BP2009 |
USP32 |
FCC6 |
E330 |
GB1987-2007 |
Characters |
White Crystalline Powders,Colorless Crystals or Granules |
Identification |
Pass Test |
Color & Clarity of Solution |
Pass Test |
Assay |
% |
99.5-100.5 |
Water |
% |
≤ 1.0 |
≤ 0.5 |
≤ 0.2 |
≤ 0.5 |
Light Transmittance |
% |
/ |
/ |
/ |
|
≥ 96.0 |
Calcium |
ppm |
/ |
/ |
/ |
≤ 75 |
≤ 200 |
Iron |
ppm |
/ |
/ |
/ |
≤ 5 |
≤ 5 |
Arsenic |
ppm |
/ |
/ |
/ |
≤ 1 |
≤ 1 |
Mercury |
ppm |
/ |
/ |
/ |
≤ 1 |
/ |
Heavy Metals |
ppm |
≤ 10 |
/ |
≤ 5 |
/ |
Oxalate |
ppm |
≤ 360 |
Pass Test |
≤ 100 |
Chloride |
ppm |
/ |
/ |
/ |
/ |
≤ 50 |
Sulphate |
ppm |
≤ 150 |
≤ 100 |
Readily Carbonisable Substances |
|
Not Darker than Standard |
Pass Test |
≤ 1.0 |
Sulphated Ash |
% |
≤ 0.1 |
≤ 0.05 |
Volatile Organic Impurities |
|
/ |
/ |
Pass Test |
Tridodecylamine |
mg/kg |
/ |
/ |
≤ 0.1 |
Lead |
ppm |
|
/ |
≤ 0.5 |
Aluminum |
ppm |
≤ 0.2 |
/ |
/ |
/ |
Bacterial Endotoxins |
IU/mg |
<0.5 |
Pass Test |
/ |
/ |
/ |
Water Insoluble Substances |
Filtration time not more than 1 min;
Filter membrane basically doesn't change color;
Visual mottled particles not more than 3. |
|
Xi:Irritant;
