Sodium phosphate II 2 hydrate 99.5% AR [10028-24-7]
Sodium phosphate Dibasic sodium phosphate is used in many different pharmaceutical preparations as a buffering agent and as a masking agent. Therapeutically dibasic sodium phosphate is used as a mild laxative and in the treatment of hypophosphataemia. Dibasic sodium phosphate is also used in food products; for example as an emulsifier in processed cheese.
Density: 2.1 g / cm3 (20 ° C)
Melting point: 92.5 ° C Elimination of water of crystallisation
PH value: 9.0 – 9.4 (50 g / l, H₂O, 20 ° C)
Bulk density: 850 – 1000 kg / m3
Solubility: 93 g / l
PH value (5%; water): 9.0 – 9.2
Test (acidimetric): ≥ 99.0%
Own absorption (215 nm; 0.2 mol / l; 1cm; water): ≤0.15
Own absorption (220 nm; 0.2 mol / l; 1cm; water): ≤0.05
Own absorption (254 nm; 0.2 mol / l; 1cm; water): ≤0.02
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