60349-M
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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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:
crystalline powder
InChI
1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2
InChI key
XQGPKZUNMMFTAL-UHFFFAOYSA-L
SMILES string
O.O.O.[K+].[K+].OP([O-])([O-])=O
grade
puriss. p.a.
assay
≥99.0% (T)
form
crystalline powder
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
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
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Silvio D Brugger et al.
Journal of clinical microbiology, 47(6), 1750-1756 (2009-04-24)
Colonization with more than one distinct strain of the same species, also termed cocolonization, is a prerequisite for horizontal gene transfer between pneumococcal strains that may lead to change of the capsular serotype. Capsule switch has become an important issue
Temperature dependence of switching of the bacterial flagellar motor by the protein CheY(13DK106YW).
L Turner et al.
Biophysical journal, 77(1), 597-603 (1999-07-02)
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
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