60218
磷酸二氢钾 一元
BioUltra, Molecular Biology, anhydrous, ≥99.5% (T)
别名:
prim.-磷酸钾, 磷酸二氢钾
选择尺寸
关于此项目
grade
Molecular Biology
Quality Level
product line
BioUltra
assay
≥99.5% (T)
form
powder or crystals
impurities
DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N)
pH
4.0-4.5 (25 °C, 1 M in H2O)
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp
252.6 °C (lit.)
solubility
H2O: 1 M at 20 °C, clear, colorless
density
2.338 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤30 mg/kg
cation traces
Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
λ
1 M in H2O
UV absorption
λ: 260 nm Amax: 0.050, λ: 280 nm Amax: 0.045
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
Application
Other Notes
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存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)