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16788-57-1 molecular structure
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dipotassium trihydrate hydrogen phosphate

ChemBase ID: 132907
Molecular Formular: H7K2O7P
Molecular Mass: 228.221741
Monoisotopic Mass: 227.92035255
SMILES and InChIs

SMILES:
O.O.O.OP(=O)([O-])[O-].[K+].[K+]
Canonical SMILES:
[O-]P(=O)(O)[O-].O.O.O.[K+].[K+]
InChI:
InChI=1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2
InChIKey:
XQGPKZUNMMFTAL-UHFFFAOYSA-L

Cite this record

CBID:132907 http://www.chembase.cn/molecule-132907.html

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NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
dipotassium trihydrate hydrogen phosphate
IUPAC Traditional name
dipotassium trihydrate hydrogen phosphate
Synonyms
Potassium hydrogen phosphate trihydrate, Reagent Grade
Dipotassium phosphate
Dipotassium hydrogen phosphate trihydrate
Potassium phosphate dibasic trihydrate
sec.-Potassium phosphate
Potassium hydrogenphosphate trihydrate
Potassium phosphate dibasic solution
Potassium phosphate dibasic trihydrate
di-Potassium hydrogen phosphate trihydrate
磷酸氢钾三水合物, 试剂级
无水磷酸氢二钾
磷酸钾 二元 三水合物
磷酸氢钾 三水合物
磷酸氢二钾
磷酸钾 二元 溶液
无水磷酸氢二钾 三水合物
磷酸二钾
磷酸氢二钾 三水合物
磷酸钾 二元 三水合物
CAS Number
16788-57-1
7758-11-4
EC Number
231-834-5
231-791-2
MDL Number
MFCD00149926
Merck Index
147658
PubChem SID
24899052
24898660
162227184
24881845
24898955
PubChem CID
16217523

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem
Acid pKa 1.7961261  H Acceptors
H Donor LogD (pH = 5.5) -3.3916447 
LogD (pH = 7.4) -3.9718332  Log P -1.0201038 
Molar Refractivity 12.4085 cm3 Polarizability 5.685633 Å3
Polar Surface Area 83.42 Å2 Rotatable Bonds
Lipinski's Rule of Five true 

PROPERTIES

PROPERTIES

Physical Property Safety Information Product Information Bioassay(PubChem)
Solubility
H2O: soluble3 M at 20 °C, clear, colorless expand Show data source
H2O: soluble4 M at 20 °C, clear, colorless expand Show data source
Apperance
Crystalline expand Show data source
Absorption Wavelength
λ: 260 nm Amax: 0.2 expand Show data source
λ: 260 nm Amax: 0.20 expand Show data source
λ: 280 nm Amax: 0.15 expand Show data source
pH
9.0-10.0 (25 °C, 3 M in H2O) expand Show data source
9.0-10.0 (25 °C, 4 M in H2O) expand Show data source
9.1-9.4 (25 °C, 50 mg/mL in H2O) expand Show data source
Storage Warning
Hygroscopic expand Show data source
MSDS Link
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
German water hazard class
3 expand Show data source
TSCA Listed
expand Show data source
Personal Protective Equipment
Eyeshields, Gloves expand Show data source
Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US) expand Show data source
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter expand Show data source
Purity
≥99% expand Show data source
≥99.0% expand Show data source
≥99.0% (T) expand Show data source
Concentration
1.0 M expand Show data source
3 M in H2O expand Show data source
4 M in H2O expand Show data source
Grade
for molecular biology expand Show data source
puriss. p.a. expand Show data source
ReagentPlus® expand Show data source
Impurities
≤0.001% total nitrogen (N) expand Show data source
insoluble matter, passes filter test expand Show data source
Cation Traces
Al: ≤1 mg/kg expand Show data source
As: ≤0.1 mg/kg expand Show data source
Ba: ≤1 mg/kg expand Show data source
Bi: ≤1 mg/kg expand Show data source
Ca: ≤1 mg/kg expand Show data source
Ca: ≤10 mg/kg expand Show data source
Ca: ≤5 mg/kg expand Show data source
Cd: ≤1 mg/kg expand Show data source
Cd: ≤5 mg/kg expand Show data source
Co: ≤1 mg/kg expand Show data source
Co: ≤5 mg/kg expand Show data source
Cr: ≤1 mg/kg expand Show data source
Cr: ≤5 mg/kg expand Show data source
Cu: ≤1 mg/kg expand Show data source
Cu: ≤5 mg/kg expand Show data source
Fe: ≤1 mg/kg expand Show data source
Fe: ≤10 ppm expand Show data source
Fe: ≤5 mg/kg expand Show data source
heavy metals (as Pb): ≤5 ppm expand Show data source
Li: ≤1 mg/kg expand Show data source
Mg: ≤1 mg/kg expand Show data source
Mg: ≤5 mg/kg expand Show data source
Mn: ≤1 mg/kg expand Show data source
Mn: ≤5 mg/kg expand Show data source
Mo: ≤1 mg/kg expand Show data source
Na: ≤2000 mg/kg expand Show data source
Na: ≤500 mg/kg expand Show data source
Ni: ≤1 mg/kg expand Show data source
Ni: ≤5 mg/kg expand Show data source
Pb: ≤1 mg/kg expand Show data source
Pb: ≤5 mg/kg expand Show data source
Sr: ≤1 mg/kg expand Show data source
Zn: ≤1 mg/kg expand Show data source
Zn: ≤5 mg/kg expand Show data source
Antion Traces
chloride (Cl-): ≤20 mg/kg expand Show data source
chloride (Cl-): ≤30 ppm expand Show data source
chloride (Cl-): ≤50 mg/kg expand Show data source
sulfate (SO42-): ≤50 mg/kg expand Show data source
Foreign Activity
DNase, RNase and protease, none detected expand Show data source
Sterility
0.2 μm filtered expand Show data source
λ
3 M in H2O expand Show data source
4 M in H2O expand Show data source
Product Line
BioUltra expand Show data source
Linear Formula
K2HPO4 · 3H2O expand Show data source
Empirical Formula (Hill Notation)
HK2O4P expand Show data source

DETAILS

DETAILS

Sigma Aldrich Sigma Aldrich
Sigma Aldrich - P8584 external link
Application
制备磷酸盐缓冲液的便捷储存液
Sigma Aldrich - P5504 external link
Packaging
1 kg in poly bottle
100, 500 g in poly bottle
5, 10 kg in poly drum
Legal Information
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

REFERENCES

REFERENCES

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PATENTS

PATENTS

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INTERNET

INTERNET

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