Molecular formula： C6H8O7;C6H8O7.H2O
Molecular weight： 192.1;210.14
CAS No.： 77-92-9;5949-29-1
Property： AnhydrousProperty: colorless or white crystalline powder. deliquescent in humid air and efflorescent in dry air. MonohydrateProperty: colourless crystals or white crystalline granules (technical grade with light yellow colour), odorless, taste intensely tart flavour, readily soluble in water and ethanol.
Usage：
it is used as sour agent and preservative in food industry, preparation of citrate in pharmaceutical industry it also can be used as detergent in ordinary industry.
Packing：It is packed with plastic bag as liner, two layers, kraft-bags, as the intermediate layer and a chemical fibre woven bag as the outer layer the net weight each bag is 25kg.
Specification：
|
Item |
Anhydrous |
Monohydrate |
|
According to |
BP98/BP2011/BP2014 |
BP98/BP2011/BP2014 |
|
Solubility |
Conforming with test |
Conforming with test |
|
clarity and color of solution |
20% water solution clarity |
20% water solutionclarity |
|
Assay |
99.5%-101% |
99.5%-101% |
|
Water |
0.5% Max |
7.5%-9% |
|
Sulfate |
150ppm Max |
150ppm Max |
|
Readily carbonisable substances |
Standard colour |
Standard colour |
|
Barium |
Conforming with test |
Conforming with test |
|
Calcium |
200ppm Max |
200ppm Max |
|
Heavy metals |
5ppm Max |
5ppm Max |
|
Lead(PB) |
0.5ppm Max |
0.5ppm Max |
|
Iron |
50ppm Max |
50ppm Max |
|
Chloride |
50ppm Max |
50ppm Max |
|
Oxalate |
100ppm Max |
100ppm Max |
|
Sulfated ash |
0.05% Max |
0.05% Max |
|
Tridodecylamine |
0.1ppm Max |
0.1ppm Max |
|
Arsenic |
1ppm Max |
1ppm Max |
|
Arganic volatile impurities |
Conforming with test |
Conforming with test |
|
Bacterial endotoxins |
0.5 I.U./mg Max |
0.5 I.U./mg Max |
|
Mercury |
1ppm Max |
1ppm Max |
|
Aluminum |
0.2ppm Max |
0.2ppm Max
|