POTASSIUM DIHYDROGEN PHOSPHATE P.A. EMSU

Code: 1048771000 D2-231

Analysis Note

Assay (alkalimetric): ≥ 99.0 %Assay (alkalimetric, calculated on dried substance): 98.0 - 100.5 %Assay (alkalimetric; dried substance): ≥ 99.5 %Iden...


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Analysis Note

Assay (alkalimetric): ≥ 99.0 %Assay (alkalimetric, calculated on dried substance): 98.0 - 100.5 %Assay (alkalimetric; dried substance): ≥ 99.5 %Identity: passes testAppearance of solution: passes testInsoluble matter: ≤ 0.01 %pH-value (5 %; water, 25 °C): 4.2 - 4.5Chloride (Cl): ≤ 0.0005 %Sulfate (SO4): ≤ 0.003 %Total nitrogen (N): ≤ 0.001 %Heavy metals (as Pb): ≤ 0.0010 %Heavy metals (ACS): ≤ 0.001 %As (Arsenic): ≤ 0.0002 þ (Iron): ≤ 0.0010 %Na (Sodium): ≤ 0.005 %Reducing substances: passes testLoss on drying (130 °C): ≤ 0.2 %Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

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

Packaging

12 kg in Bucket, plastic

25 kg in Fibre carton

agencyreag. ISO, reag. Ph. Eur.
anion tracessulfate (SO42-): ≤0.003%, chloride (Cl-): ≤0.0005%
assay≥99.0% dry basis (alkalimetric), 98.0-100.5% (alkalimetric)
bulk density1200 kg/m3
cation tracesheavy metals: ≤0.001%, Fe: ≤0.0010%, heavy metals (as Pb): ≤0.0010%, Na: ≤0.005%, N: ≤0.001%, As: ≤0.0002%
density2.338 g/mL at 25 °C (lit.)
formsolid
gradeACS reagent
impurities≤0.01% Insoluble matter
InChI keyGNSKLFRGEWLPPA-UHFFFAOYSA-M
InChI1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
loss≤ 0.2% loss on drying, 130 °C
mp252.6 °C (lit.)
pH4.2-4.6 (20 °C, 20 g/L in H2O)
potency>4640 mg/kg LD50, skin (Rabbit)
product lineEMSURE®
Quality Level300
SMILES string[K+].OP(O)([O-])=O
storage temp.2-30°C
Cas Number7778-77-0
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