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关于此项目
线性分子式:
Na2HPO4 · 2H2O
化学文摘社编号:
分子量:
177.99
NACRES:
NA.21
EC Index Number:
231-448-7
UNSPSC Code:
12352302
MDL number:
Assay:
≥99.5% (acidimetric)
Grade:
Laboratory Reagent
Form:
solid
Solubility:
93 g/L
grade
Laboratory Reagent
Quality Segment
product line
EMSURE®
assay
≥99.5% (acidimetric)
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
pH
9.0-9.2 (20 °C, 50 g/L in H2O)
mp
92.5 °C (Elimination of water of crystallisation)
solubility
93 g/L
density
2.1 g/cm3 at 20 °C
bulk density
850‑1000 kg/m3
anion traces
chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.005%
cation traces
Cu: ≤0.0003%, Fe: ≤0.001%, K: ≤0.005%, N: ≤0.001%, Pb: ≤0.001%, heavy metals (as Pb): ≤0.001%
storage temp.
2-30°C
SMILES string
O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI
1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
InChI key
KDQPSPMLNJTZAL-UHFFFAOYSA-L
Application
di-Sodium hydrogen phosphate dihydrate can be used as a:
- Buffering agent in size exclusion chromatography (SEC) analysis of adalimumab.
- Phosphorus source in the synthesis of hydroxyapatite via wet chemical precipitation.
Analysis Note
含量测定(酸量滴定法): ≥ 99
鉴别:通过测试
pH值(5 %;水):9.0 - 9.2
氯化物(Cl): ≤ 0.001 %
硫酸盐(SO₄): ≤ 0.005%
总氮(N): ≤ 0.001 %
重金属(以铅计): ≤ 0.001 %
Cu(铜): ≤ 0.0003 %
Fe(铁): ≤ 0.001 %
K(钾): ≤ 0.005 %
Pb(铅): ≤ 0.001 %
鉴别:通过测试
pH值(5 %;水):9.0 - 9.2
氯化物(Cl): ≤ 0.001 %
硫酸盐(SO₄): ≤ 0.005%
总氮(N): ≤ 0.001 %
重金属(以铅计): ≤ 0.001 %
Cu(铜): ≤ 0.0003 %
Fe(铁): ≤ 0.001 %
K(钾): ≤ 0.005 %
Pb(铅): ≤ 0.001 %
Other Notes
替代:1.06580.9057; SX0713; SX0713-5
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
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存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable