TETRA-SODIUM DIPHOSPHATE DECAHYDRATE P.A

Code: 1065919050 D2-231

Analysis Note

Assay (acidimetric): 99.0 - 103.0 %Insoluble matter: ≤ 0.01 %pH-value (5 %; water, 25 °C): 9.5 - 10.5Chloride (Cl): ≤ 0.001 %Orthophosphate (PO...


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Analysis Note

Assay (acidimetric): 99.0 - 103.0 %Insoluble matter: ≤ 0.01 %pH-value (5 %; water, 25 °C): 9.5 - 10.5Chloride (Cl): ≤ 0.001 %Orthophosphate (PO4): ≤ 0.1 %Sulfate (SO4): ≤ 0.005 %Total nitrogen (N): ≤ 0.001 %Heavy metals (as Pb): ≤ 0.0005 þ (Iron): ≤ 0.0005 %K (Potassium): ≤ 0.005 %Corresponds to ACS, Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Linkage

Replaces: SX0740-1

Packaging

50 kg in Fibre carton

2.5 kg in Plastic bottle

agencyreag. Ph. Eur.
anion tracessulfate (SO42-): ≤0.005%, phosphate (PO43-): ≤0.1%, chloride (Cl-): ≤0.001%
assay99.0-103.0% (acidimetric)
bulk density650 kg/m3
cation tracesFe: ≤0.0005%, K: ≤0.005%, heavy metals (as Pb): ≤0.0005%
density1.82 g/cm3 at 20 °C
formsolid
gradeACS reagent
impurities≤0.001% Total nitrogen (N), ≤0.01% Insoluble matter
InChI keyVZWGHDYJGOMEKT-UHFFFAOYSA-J
InChI1S/4Na.H4O7P2.10H2O/c;;;;1-8(2,3)7-9(4,5)6;;;;;;;;;;/h;;;;(H2,1,2,3)(H2,4,5,6);10*1H2/q4*+1;;;;;;;;;;;/p-4
mp988 °C (anhydrous substance)
pH9.5-10.5 (20 °C, 50 g/L in H2O)
product lineEMSURE®
Quality Level300
storage temp.2-30°C
Cas Number13472-36-1
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