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线性分子式:
Na2HPO4
化学文摘社编号:
分子量:
141.96
NACRES:
NA.21
EC Index Number:
231-448-7
UNSPSC Code:
12352302
MDL number:
Assay:
≥99.0% (alkalimetric)
Grade:
ACS reagent
Form:
solid
产品名称
磷酸氢二钠, anhydrous for analysis EMSURE® ACS,Reag. Ph Eur
InChI
1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
SMILES string
[Na+].[Na+].[H]OP([O-])([O-])=O
InChI key
BNIILDVGGAEEIG-UHFFFAOYSA-L
grade
ACS reagent
agency
reag. Ph. Eur.
product line
EMSURE®
assay
≥99.0% (alkalimetric)
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
impurities
≤0.01% Insoluble matter
loss
≤ 0.2% loss on drying, 105 °C
pH
8.7-9.3 (20 °C, 10 g/L in H2O)
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp
>450 °C
bulk density
880 kg/m3
anion traces
chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.005%
cation traces
Cu: ≤0.0003%
Fe: ≤0.001%
K: ≤0.01%
Pb: ≤0.001%
heavy metals: ≤0.001%
storage temp.
2-30°C
Quality Level
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Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
Analysis Note
含量(碱量滴定): ≥ 99.0 %
不溶物: ≤ 0.01 %
pH值(5 %;水,25 °C):8.7 - 9.3
氯(Cl): ≤ 0.002 %
硫酸盐(SO₄): ≤ 0.005 %
重金属(ACS): ≤ 0.001 %
Cu(铜): ≤ 0.0003 %
Fe(铁): ≤ 0.001 %
K(钾): ≤ 0.01 %
Pb(铅): ≤ 0.001 %
干燥失重(105°C): ≤ 0.2 %
符合 ACS,Reag.Ph Eur
不溶物: ≤ 0.01 %
pH值(5 %;水,25 °C):8.7 - 9.3
氯(Cl): ≤ 0.002 %
硫酸盐(SO₄): ≤ 0.005 %
重金属(ACS): ≤ 0.001 %
Cu(铜): ≤ 0.0003 %
Fe(铁): ≤ 0.001 %
K(钾): ≤ 0.01 %
Pb(铅): ≤ 0.001 %
干燥失重(105°C): ≤ 0.2 %
符合 ACS,Reag.Ph Eur
Other Notes
替代品:SX0720;SX0720-1;SX0720-5;SX0720-7;SX0720-20
Application
Sodium phosphate dibasic can be used as:
- A component of the mobile phase for the analysis of guanidinoacetate methyltransferase using high-performance liquid chromatography (HPLC).
- The source of phosphate ions in the synthesis of hydroxyapatite nanopowders.
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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