60349
磷酸钾 二元 三水合物
puriss. p.a., ≥99.0% (T)
别名:
无水磷酸氢二钾 三水合物, 磷酸二钾, 磷酸氢二钾 三水合物
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关于此项目
线性分子式:
K2HPO4 · 3H2O
化学文摘社编号:
分子量:
228.22
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-834-5
MDL number:
Assay:
≥99.0% (T)
Form:
crystals
产品名称
磷酸钾 二元 三水合物, puriss. p.a., ≥99.0% (T)
InChI key
XQGPKZUNMMFTAL-UHFFFAOYSA-L
InChI
1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2
SMILES string
O.O.O.[K+].[K+].OP([O-])([O-])=O
grade
puriss. p.a.
assay
≥99.0% (T)
form
crystals
impurities
≤0.001% total nitrogen (N)
pH
9.1-9.4 (25 °C, 50 mg/mL in H2O)
anion traces
chloride (Cl-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
As: ≤0.1 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
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤500 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
Quality Level
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General description
Potassium phosphate dibasic trihydrate (K2HPO4.3H2O, Dipotassium hydrogen phosphate trihydrate, Dipotassium phosphate, di-Potassium hydrogen phosphate trihydrate) is the potassium salt having a pH in the range of 9.1-9.4.
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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L Turner et al.
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The behavior of the bacterium Escherichia coli is controlled by switching of the flagellar rotary motor between the two rotational states, clockwise (CW) and counterclockwise (CCW). The molecular mechanism for switching remains unknown, but binding of the response regulator CheY-P
Silvio D Brugger et al.
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