229806
Potassium phosphate monobasic
99.99% trace metals basis
동의어(들):
Potassium dihydrogen phosphate, prim.-Potassium phosphate
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제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
KH2PO4
CAS 번호:
Molecular Weight:
136.09
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-913-4
MDL number:
Assay:
99.99% trace metals basis
Form:
solid
Solubility:
water: soluble
assay
99.99% trace metals basis
form
solid
reaction suitability
core: potassium
impurities
≤150.0 ppm Trace Metal Analysis
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp
252.6 °C (lit.)
solubility
water: soluble
density
2.338 g/mL at 25 °C (lit.)
cation traces
Al: ≤0.3 ppm, Ca: ≤16.1 ppm, Cr: ≤0.3 ppm, Fe: ≤1.5 ppm, Mg: ≤0.2 ppm, Mn: ≤0.1 ppm, Na: ≤11.8 ppm, Rb: ≤9.6 ppm
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
Monobasic potassium phosphate crystals are colorless, soluble in water and hygroscopic in nature.Upon heating through 187°C, phase transition occurs in KH2PO4, crystal system changes from tetragonal to monoclinic, lattice parameters at 195°C are α=7.47Å, b =7.33Å, c =14.49Å, α=β=90° and γ=92.2.
Application
it maybe used
- to produce flurescence emmisionin carbon dots
- buffers
- pH control agent
- emulsifier
- stabilizer
- water retention agent,
- antioxidant in foods
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저장 등급
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)