White or slightly crystal granular or powder; odorless, cool and salty; easily deliquescent; easily soluble in water or glycerine but almost insoluble in Ethanol; Relative density is 1.98. It will melt and decompose when heated to 230℃.
Quality standards
(GGB14889-94.BP2009. USP32.FCC-V
Name of index
GB14889-94
BP2009
USP32
FCC-V
Appearance
White or light yellow crystal or powder
White or light yellow crystal or powder
White or light yellow crystal or powder
White or light yellow crystal or powder
Content(K3C6H5O7) ≥%
99.0
99.0-101.0
99.0-100.5
99.0-100.5
Heavy metal(AsPb) ≤%
0.001
0.001
0.001
-
AS ≤%
0.0003
0.0001
0.0001
Loss on drying %
3.0-6.0
-
3.0-6.0
3.0-6.0
Lead
-
-
-
Moisture%
-
4.0-7.0
-
Cl ≤%
-
0.005
-
Sulphate Salt≤%
-
0.015
-
Qxalates ≤%
-
0.03
-
Sodium ≤%
-
0.3
-
Alkalinity
Pass test>
Pass test
Pass test
Pass test
Readily Carbonisable Substances
-
Pass test
-
-
Transparenly and color of sample
-
Pass test
-
-
Pyrogens
-
-
-
-
Uses
In food industry, it is used as buffer, chelating agent, stabilizer, antioxidant, emulsifier and flavor. Applied in dairy product、jellies、 jam、 meat、 tinned and pastry. Also used as emulsifier in cheese and fresh-keeping in citrus. In pharmaceutical industry, it is used for curing hypokalimia, potassium deficiency deficiency and alkalization of urine.
Packing
In 25kg composite plastic woven/ paper bag with PE liner
Storage and transport
It should be stored in a dry and ventilative warehouse and kept away from moisture, heat and poisonous substance. Handled with care, so as to avoid damage to packing bags.