60220-M
Potassium phosphate monobasic
buffer substance, anhydrous, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-100.5%
Synonym(s):
Potassium dihydrogen phosphate, prim.-Potassium phosphate
Select a Size
About This Item
Product Name
Potassium phosphate monobasic, buffer substance, anhydrous, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-100.5%
InChI key
GNSKLFRGEWLPPA-UHFFFAOYSA-M
InChI
1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
SMILES string
[K+].OP(O)([O-])=O
grade
ACS reagent
anhydrous
puriss. p.a.
agency
reag. ISO
reag. Ph. Eur.
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)
bp
>450 °C
mp
252.6 °C (lit.)
solubility
water: soluble (208 g/l at 20 °C (68 °F))
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-OES)
Looking for similar products? Visit Product Comparison Guide
Application
- In the regioselective monobromination of aralkyl ketones to synthesize monobrominated ketones.
- To synthesize acridine-1,8-diones and hexahydroquinolines via Hantzsch type reaction.
General description
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
Choose from one of the most recent versions:
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service