Tetrasodium diphosphate, 99-103% AR decahydrate [13472-36-1] Tetrasodium diphosphate is used as a buffering agent, emulsifier, dispersing agent and thickening agent as well as as a food additive that improves the taste of dishes. Tetrasodium diphosphate, decahydrate is used in the fusion matrix.
Density: 1.82 g / cm3 (20 ° C)
Melting point: 988 ° C (anhydrous substance)
PH value: 9.5 – 10.5 (50 g / l, H₂O, 20 ° C)
Bulk density: 650 kg / m3
Solubility: 60 g / l (anhydrous substance)
PH value (5%; water, 25 ° C): 9.5 – 10.5
Chloride (Cl): ≤ 0.001%
Orthophosphate (PO4): ≤ 0.1%
Sulphate (SO₄): ≤ 0.005%
Total nitrogen (N): ≤ 0.001%
Heavy metals (as Pb): ≤ 0.0005%
Fe (iron): ≤ 0.0005%
K (potassium): ≤ 0.005%
Labeling of hazardous chemicals and mixtures that are part of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The pictograms recommended by GHS have the shape of a square set on the top. They should contain a black symbol on a white background with a red border.
Priority rules to be observed in connection with the labeling of a substance:
– the skull and crossbones, the exclamation mark pictogram should not be added.
– corrosive effect, the exclamation mark pictogram should not be added if it concerns eye or skin irritation.
– health hazard determining respiratory sensitization, the exclamation mark pictogram should not be added if it concerns skin sensitization or irritation to eyes or skin.
Source: GHS pictograms
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