di-Sodium hydrogénophosphate heptahydraté ≥98%, poudre cristalline blanche ACS
Marques : MP BiomedicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
Sodium phosphate dibasique heptahydraté, Sodium phosphate disodique heptahydraté
Sodium phosphate dibasic heptahydrate is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Sodium phosphate dibasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.
Sodium phosphate dibasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.
Sodium phosphate dibasic heptahydrate is use in many applications such as sequestrant, emulsifier and buffer in foods. As mordant in dyeing for weighting silk, in tanning. In manufacturing of enamels, ceramics, detergents; as fireproofing agent in soldering and brazing instead of borax; as reagent and buffer in analytical chemistry, cathartic, laxative.
Soluble in water, but more soluble in hot water; insoluble in alcohol, ethanol.
Formule:
HNa₂O₄P·7H₂O Poids moléculaire: 268.07 g/mol Point de fusion: 48 Densité: 1.7 g/cm³ (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00149180 Numéro CAS: 7782-85-6 EINECS: 231-448-7 |
Résultats des tests de spécification
Purity | ≥98% |
pH (5% aq soln) | 8.7 - 9.3 |
Insoluble Matter | ≤0,005% |
Heavy Metals | ≤0,001% |
Chloride | ≤0,001% |
Sulphate (SO4) | ≤0,005% |
Iron (Fe) | ≤0,001% |
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