di-Sodium hydrogénophosphate dodécahydraté 98.5-102.5% (par acidimétrie), soluble, EMSURE® USP, BP, Ph. Eur., JP analytical reagent, Supelco®
Marques : MerckTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
Sodium phosphate disodique dodécahydraté, Sodium phosphate dibasique dodécahydraté
M-Clarity™ (Niveau de Qualité) = MQ300
Formule:
Na₂HPO₄·12H₂O Poids moléculaire: 358.14 g/mol Point de fusion: 35 Densité: 1.52 g/cm³ (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00149181 Numéro CAS: 10039-32-4 EINECS: 231-448-7 Indice Merck: 13,08733 |
Résultats des tests de spécification
Assay (alkalimetric) | 99.0 - 102.0 % |
Identity | passes test |
Appearance of solution | passes test |
Sodium Dihydrogene phospate | ≤ 2.5 % |
pH-value (5 %; water) | 9.0 - 9.3 |
Chloride (Cl) | ≤ 0.0005 % |
Sulfate (SO₄) | ≤ 0.005 % |
Total nitrogen (N) | ≤ 0.001 % |
Heavy metals (as Pb) | ≤ 0.0005 % |
As (Arsenic) | ≤ 0.00005 % |
Cu (Copper) | ≤ 0.0002 % |
Fe (Iron) | ≤ 0.0005 % |
K (Potassium) | ≤ 0.005 % |
Pb (Lead) | ≤ 0.0005 % |
Reducing substances | passes test |
Loss on drying (130 °C) | 57.0 - 61.0 % |
Corresponds to ISO,Reag. Ph Eur | passes test |
Water (according to Karl Fischer) | 57.0 - 61.0 % |
Corresponds to Ph Eur, BP, USP, JP |
Learn more

About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...