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Product Name

 tri-SODIUM CITRATE AR (DIHYDRATE)

Article No

 S0187505000

CAS No

 6132-04-3

Molecular Formula

 C6H5Na3O7.2H2O

Molecular Weight

 294.10

Specifications

Appearance:

 White crystalline powder

Water (by KF):

 11.0 - 13.0%

Insoluble matter:

 Max 0.005%

Chloride (Cl):

 Max 0.003%

Sulphate (SO4):

 Max 0.005%

Iron (Fe):

 Max 0.0005%

Identity:

 Passes test

Calcium (Ca):

 Max 0.005%

Ammonium (NH4):

 Max 0.003%

Acidity or alkalinity:

 Passes test

Assay (by HClO4 titration):

 99 - 100.5%

Heavy metals (by ICP-OES):

 Max 0.0005%

Readily carbonisable substance:

 Passes test

Oxalate (as C2H2O4):

 Max 0.01%

Appearance of solution (100 g/L):

 Clear and colorless

pH (50 mg/mL in water; 25°C):

 7.5 - 9.0

Loss on drying (180°C; 18 hrs):

 10.0 - 13.0%

Tartarate (C4H6):

 Passes test