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Potassium phosphate monobasic
Applications
Crystallization grade Potassium phosphate monobasic for formulating screens or for optimization
Features
Sterile filtered
Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Potassium phosphate monobasic
Synonyms: Monopotassium phosphate or Potassium dihydrogen phosphate or
prim.-Potassium phosphate
H2KO4P or KH2PO4
Mr 136.09
CAS Number [7778-77-0]
EC Number 231-913-4
Merck 14,7659
RTECS TC6615500
MDL Number MFCD00011401
PubChem Substance ID 24881812
Purity ≥99.5%

pKa1 = 2.15 and pka2 = 6.82 and pka3 = 12.38 at 25°C
Melting point (starting material) 252.6°C (lit)

Measured pH range: 3.8 - 4.3 at 25°C
Measured Conductivity Range: 67.7 - 79.1 mS/cm at 25°C
Measured Refractive Index Range: 1.35356 - 1.35459 at 20°C

Total Impurities: Insoluble matter, passes filter test
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.0005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
N ≤0.001%
Na ≤0.005%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.003%
Sr ≤0.0005%
Zn ≤0.0005%
CAT NO NAME DESCRIPTION
HR2-553 Potassium phosphate monobasic- 1.5 M solution 200 ml
Price Quantity
$84.00
SUPPORT MATERIALS
SDS for HR2-553
Certificates of Analysis
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