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Merck
CN

1.06580

二水合磷酸氢二钠

for analysis EMSURE®

别名:

磷酸氢二钠 二水合物, 磷酸钠 二元 二水合物, 磷酸一氢钠,磷酸氢二钠, sec-磷酸钠, 磷酸二钠

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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
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grade

Laboratory Reagent

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 %

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



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全球贸易项目编号

货号GTIN
106580902504022536079561
106580050004022536079493
106580100004022536079516
106580500004022536079547
106580905004022536079578