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Merck
CN

307750

Sigma-Aldrich

焦硫酸钾

ReagentPlus®, 99%

别名:

无水重硫酸钾

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About This Item

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
方案:
99%
表单:
powder

质量水平

产品线

ReagentPlus®

方案

99%

表单

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

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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

储存分类代码

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

个人防护装备

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


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分析证书(COA)

Lot/Batch Number

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Pui-Yiu Lee et al.
Organic letters, 19(8), 2082-2085 (2017-04-05)
A Pd-catalyzed decarboxylative acylation of aromatic ketones with α-oxocarboxylic acids was developed, and 1,2-diacylbenzenes were formed in up to 90% yield with excellent ortho-selectivity. This work demonstrates the first successful attempt to direct C-H acylation of aromatic ketones without the
One-Pot Synthesis of 1-Monosubstituted 1, 2, 3-Triazoles from Propargyl Alcohol
Han C, et al.
Synlett, 29(05), 673-677 (2018)
Laura Schneider et al.
Bioresource technology, 234, 1-7 (2017-03-21)
The catalytic conversion of lignocellulosic biomass is attractive due to the feasible generation of valuable products such as reducing sugars which constitute the basic substrates for chemical and transportation fuel production, as well as the production of renewable hydrogen. This
Chromate dermatitis and sodium dithionite.
L M Wall
Contact dermatitis, 8(5), 291-293 (1982-09-01)
Titrimetric determination of glutaraldehyde concentrations.
T Kalina et al.
Folia morphologica, 35(2), 113-115 (1987-01-01)

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