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Merck
CN

04273

Sigma-Aldrich

磷酸钠 二元 十二水合物

meets analytical specification of Ph. Eur., BP, E339, 98.5-102.5% (T)

别名:

磷酸氢二钠, 磷酸氢二钠 十二水合物

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About This Item

线性分子式:
Na2HPO4 · 12H2O
CAS号:
分子量:
358.14
EC 号:
MDL编号:
UNSPSC代码:
12161700
PubChem化学物质编号:
NACRES:
NA.25
方案:
98.5-102.5% (T)
表单:
crystals

Agency

meets analytical specifications of BP
meets analytical specifications of Ph. Eur.

质量水平

方案

98.5-102.5% (T)

表单

crystals

质量

meets analytical specification of Ph. Eur., BP, E339

杂质

reducing matter, complies
residual solvents, complies
≤0.001% heavy metals (as Pb)
≤1.0% NaH2PO4
57-61% water (Karl Fischer)

缺失

57-61% loss on drying

pH值(酸碱度)

8.4-9.6 (20 °C, 1%)

痕量阴离子

chloride (Cl-): ≤10 mg/kg
fluoride (F-): ≤10 mg/kg
sulfate (SO42-): ≤100 mg/kg

痕量阳离子

As: ≤1 mg/kg
Cd: ≤1 mg/kg
Cu: ≤20 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
K: ≤50 mg/kg
Pb: ≤4 mg/kg
Zn: ≤10 mg/kg

适用性

complies for appearance of solution

SMILES字符串

O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O
O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O

InChI

1S/2Na.H3O4P.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;;(H3,1,2,3,4);12*1H2/q2*+1;;;;;;;;;;;;;/p-2

InChI key

DGLRDKLJZLEJCY-UHFFFAOYSA-L

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应用


  • 碱化组分对挤出/球化法制备的基质颗粒的影响研究: 本文研究了十二水磷酸氢二钠作为基质颗粒碱化剂的作用,展示了其在改善颗粒理化性质方面的应用,这对于药物控释系统至关重要(Hamedelniel EI, Bajdik J, Kasa P Jr, Pintye-Hodi K, 2012)。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

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