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Merck
CN

307750

焦硫酸钾

ReagentPlus®, 99%

别名:

无水重硫酸钾

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关于此项目

经验公式(希尔记法):
K2S2O7
化学文摘社编号:
分子量:
254.32
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
232-216-8
MDL number:
Assay:
99%
Grade:
reagent grade
Form:
powder
Solubility:
water: soluble
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产品名称

焦硫酸钾, ReagentPlus®, 99%

InChI key

KAQHZJVQFBJKCK-UHFFFAOYSA-L

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

SMILES string

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

Quality Level

grade

reagent grade

product line

ReagentPlus®

assay

99%

form

powder

solubility

water: soluble

density

2.28 g/mL at 25 °C (lit.)

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Application

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。

Legal Information

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

pictograms

Skull and crossbonesCorrosion

signalword

Danger

hcodes

Hazard Classifications

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

存储类别

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

wgk

WGK 3

ppe

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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Han C, et al.
Synlett, 29(05), 673-677 (2018)
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
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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