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Trisodium Phosphate (TSP)

Properties: Appearance is white or colorless granular crystals, easily weathered, soluble in water, insoluble in organic solvents, the aqueous solution is alkaline reaction, the pH value of 1% aqueous solution is 12.1, the relative density is 1.62, the melting point is 73.4 ° C, the dodecahydrate is heated When heated to 55~65℃, it becomes decahydrate; when heated to 65~100℃, it becomes hexahydrate; when heated to 100~213℃, it becomes hemihydrate; when heated to above 212℃, it becomes anhydrous.
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Trisodium Phosphate (TSP)

Trisodium Phosphate

Chemical formula: Na3PO4.nH2O(n=0,12)

Molecular weight: Na3PO4.12H2O--380.14, Na3PO4--163.97

CAS No.: 7601-54-9 (anhydrous); 10101-89-0 (12 water)

Executive standard: HG/T2517-2009 (industrial grade)

Properties: Appearance is white or colorless granular crystals, easily weathered, soluble in water, insoluble in organic solvents, the aqueous solution is alkaline reaction, the pH value of 1% aqueous solution is 12.1, the relative density is 1.62, the melting point is 73.4 ° C, the dodecahydrate is heated When heated to 55~65℃, it becomes decahydrate; when heated to 65~100℃, it becomes hexahydrate; when heated to 100~213℃, it becomes hemihydrate; when heated to above 212℃, it becomes anhydrous.

Uses: Soft water treatment, daily chemicals, electroplating phosphating, printing and dyeing fixing, enamel fluxing and leather degreasing, etc.

Packing: inner plastic outer woven, net weight 25Kg, 50Kg, 1000Kg per bag, stored in a ventilated and dry place.

[Table unit: %]

Serial number  Indicator name    National standard  Internal control index  National standard  Internal control index 
Trisodium phosphate    Anhydrous  Twelve waters 
Principal content    98  99  98  99 
Arsenic (AS)  ≤  0.005  0.005  0.005  0.005 
Fluoride (in F)  ≤  0.001  0.001 
Heavy metals (in Pb)  ≤  0.003  0.003 
Water insoluble matter  ≤  0.1  0.008  0.1  0.008 
Sulfate (in terms of SO4)  ≤  0.5  0.2  0.5  0.2 
Iron (in Fe)  ≤  0.01  0.003  0.01  0.003 
Lead (in Pb)  ≤  0.0004  0.0004 
PH (10g/L solution)    11.5-12.5  11.5-12.5 
10  Chloride (in Cl)  ≤  0.4  0.1  0.4  0.1 
11  Ignition reduction    45-57  42 
12  Appearance    White powder  White crystal 
Keyword:
heated
water
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