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Merck

255793

Sigma-Aldrich

磷酸钠 二元

99.95% trace metals basis

别名:

磷酸二钠, 磷酸二钠, 磷酸氢二钠, 磷酸氢钠

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About This Item

线性分子式:
Na2HPO4
CAS号:
分子量:
141.96
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
eCl@ss:
38070211
PubChem物質ID:
NACRES:
NA.23

品質等級

化驗

99.95% trace metals basis

形狀

solid

雜質

≤550.0 ppm Trace Metal Analysis

pH值

8.9-9.2 (25 °C, 50 g/L in water)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

溶解度

water: soluble

SMILES 字串

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

InChI

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

InChI 密鑰

BNIILDVGGAEEIG-UHFFFAOYSA-L

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應用

磷酸氢二钠广泛用于制备磷酸缓冲液,用于HPLC流动相和细胞分离技术。

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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