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Merck
CN

307750

Sigma-Aldrich

焦硫酸钾

ReagentPlus®, 99%

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别名:
无水重硫酸钾
经验公式(希尔记法):
K2S2O7
CAS号:
分子量:
254.32
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.22

质量水平

产品线

ReagentPlus®

检测方案

99%

形式

powder

密度

2.28 g/mL at 25 °C (lit.)

SMILES字符串

[K+].[K+].[O-]S(=O)(=O)OS([O-])(=O)=O

InChI

1S/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

InChI key

KAQHZJVQFBJKCK-UHFFFAOYSA-L

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应用

焦硫酸钾(K2S2O7)可用于:
  • 作为盐催化剂,通过机械催化将半纤维素转化为还原糖(如木糖和半乳糖)
  • 通过钯催化芳族酮与氧代羧酸的脱羧酰化反应,制备二酰基苯。
  • 作为氧化剂,以Ag2O为催化剂,由芳基叠氮化物和炔丙醇制备单取代三唑。

法律信息

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

象形图

Skull and crossbonesCorrosion

警示用语:

Danger

危险声明

危险分类

Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A

WGK

WGK 3

个人防护装备

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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