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Food grade disodium hydrogen phosphate (DSP)

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category：Food additive application
Properties: Dodecahydrate is a white crystal with a relative density of 1.52, easy to weather, melts at 35°C and loses 5 crystal waters, becomes anhydrous at 100°C, and sodium pyrophosphate at 250°C; anhydrous is white Powder, easy to deliquescence; both are easily soluble in water, the aqueous solution is weakly alkaline, insoluble in alcohol.
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disodium hydrogen phosphate (DSP)

Disodium Phosphate

Chemical formula: Na2HPO4.nH2O(n=0,12)

Molecular weight: Na2HPO4.12H2O--358.15, Na2HPO4--141.98

CAS No.: 7558-79-4 (anhydrous), 10039-32-4 (12 water)

Executive standard: HG/T2965-2009 (industrial grade) GB25568-2010 (food grade)

Properties: Dodecahydrate is a white crystal with a relative density of 1.52, easy to weather, melts at 35°C and loses 5 crystal waters, becomes anhydrous at 100°C, and sodium pyrophosphate at 250°C; anhydrous is white Powder, easy to deliquescence; both are easily soluble in water, the aqueous solution is weakly alkaline, insoluble in alcohol.

Uses: In the food industry, it is used to manufacture baking powder, as a quality improver, emulsifier, nutritional fortifier, fermentation aid, and binder.

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 
Disodium hydrogen phosphate    Anhydrous  Twelve waters 
1  Principal content  ≥  98  99  98  99 
2  Arsenic (AS)  ≤  0.0003  0.0003  0.0003  0.0003 
3  Fluoride (in F)  ≤  0.005  0.001  0.005  0.001 
4  Heavy metals (in Pb)  ≤  0.001  0.001  0.001  0.001 
5  Water insoluble matter  ≤  0.2  0.008  0.2  0.008 
6  Sulfate (in terms of SO4)  ≤  /  0.005  /  0.005 
7  Iron (in Fe)  ≤  /  0.001  /  0.001 
8  Lead (in Pb)  ≤  0.0004  0.0002  0.0004  0.0002 
9  PH (10g/L solution)    8.8-9.2  8.8-9.2 
10  Chloride (in Cl)  ≤  /  0.005  /  0.005 
11  Drying reduction (Na2HPO4)    5.0 5.0 61  61 
12  Appearance    White powder  White crystal 
Keyword:
white
disodium
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Food Grade Trisodium Phosphate (TSP)
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Food Grade Monosodium Phosphate (MSP)

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Properties: Colorless transparent crystal, stable in air, soluble in water (22.6g/100ml), insoluble in ethanol, deliquescence. When heated to 400 ℃, it melts into a transparent liquid, and after cooling, it solidifies into an opaque glassy potassium metaphosphate.
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Food Grade Dipotassium Phosphate (DKP)
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Properties: Dipotassium hydrogen phosphate trihydrate is white crystal with water. Anhydrous is white powder. Easily soluble in water, the aqueous solution is slightly alkaline, slightly soluble in alcohol, hygroscopic, and self-dissolving at high temperature. Anhydrous dipotassium hydrogen phosphate is converted into potassium pyrophosphate when heated to 204°C.
Food Grade Potassium Dihydrogen Phosphate (MKP)
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Properties: Colorless transparent crystal, stable in air, soluble in water (22.6g/100ml), insoluble in ethanol, deliquescence. When heated to 400 ℃, it melts into a transparent liquid, and after cooling, it solidifies into an opaque glassy potassium metaphosphate.
Food Grade Potassium Pyrophosphate (TKPP)
Food Grade Potassium Pyrophosphate (TKPP)
Properties: White powder or block, the apparent specific gravity is above 0.3, the melting point is 1100 ° C, soluble in water, insoluble in alcohol, the aqueous solution is alkaline. It has high solubility in water (187 grams per 100 grams of water at 25°C), and has a slight deliquescence.
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