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Merck
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238597

Sigma-Aldrich

硫酸钠

ACS reagent, ≥99.0%, anhydrous, powder

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About This Item

线性分子式:
Na2SO4
CAS号:
7757-82-6
分子量:
142.04
EC號碼:
231-820-9
MDL號碼:
MFCD00003504
分類程式碼代碼:
12352302
PubChem物質ID:
329752510
NACRES:
NA.21

等級

ACS reagent
anhydrous

品質等級

200

化驗

≥99.0%

形狀

powder

雜質

≤0.01% insolubles
≤5 ppm N compounds

損耗

≤0.5% loss on ignition

pH值

5.2-9.2 (25 °C, 5% in water)
5.2-9.2

mp

884 °C (lit.)

密度

2.68 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%

正離子痕跡

Ca: ≤0.002%
Fe: ≤0.001%
K: ≤0.002%
Mg: ≤0.001%
heavy metals: ≤5 ppm (by ICP-OES)

SMILES 字串

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

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI 密鑰

PMZURENOXWZQFD-UHFFFAOYSA-L

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應用

硫酸钠可作为催化剂用于：
  • 在PdCl2参与下的芳基卤化物和芳基硼酸Suzuki-Miyaura交叉偶联反应合成联芳基化合物。
  • 通过氨解解聚PET （聚对苯二甲酸乙二醇酯）废弃塑料瓶。
它还可作为添加剂用于Pd催化末端炔烃与芳基卤化物的Sonogashira反应合成多官能团炔烃。

其他說明

转至Redi-Dri™ 产品列表746363

法律資訊

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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

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