60220
Potassium phosphate monobasic
buffer substance, anhydrous, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-100.5%
동의어(들):
Potassium dihydrogen phosphate, prim.-Potassium phosphate
크기 선택
제품정보 (DICE 배송 시 비용 별도)
Quality Level
agency
reag. ISO, reag. Ph. Eur.
grade
ACS reagent, anhydrous, puriss. p.a.
assay
99.5-100.5%
form
crystalline
impurities
≤0.001% total nitrogen (N)
loss
≤0.2% loss on drying, 105 °C
pH
4.2-4.5 (20 °C, 5%)
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp
252.6 °C (lit.)
solubility
water: 0.5 g/10 mL, clear, colorless to light yellow
density
2.338 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤30 mg/kg
cation traces
As: ≤0.5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤15 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg, heavy metals: ≤0.001% (by ICP)
SMILES string
[K+].OP(O)([O-])=O
InChI
1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChI key
GNSKLFRGEWLPPA-UHFFFAOYSA-M
General description
Application
- to prepare the working luminol solution to study the prooxidant activity in the chemiluminescent system luminol–H2O2
- in phosphate buffer saline (PBS) to culture embryonic stem cells (ESCs) and generate embryoid bodies
- in PBS to prepare polydimethylsiloxane (PDMS) substrate
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저장 등급
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable