307750
Potassium disulfate
ReagentPlus®, 99%
Synonym(s):
Potassium pyrosulfate
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All Photos(3)
About This Item
Empirical Formula (Hill Notation):
K2S2O7
CAS Number:
Molecular Weight:
254.32
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
product line
ReagentPlus®
Assay
99%
form
powder
density
2.28 g/mL at 25 °C (lit.)
SMILES string
[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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Application
Potassium disulfate (K2S2O7) can be used:
- As a salt catalyst for the conversion of hemicellulose into reducing sugars such as xylose and galactose by mechanocatalysis .
- In the preparation of diacylbenzenes via Pd-catalyzed decarboxylative acylation of aromatic ketones with oxocarboxylic acids.
- As an oxidant for the preparation of monosubstituted triazoles from aryl azides and propargyl alcohol using Ag2O as a catalyst.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A
Storage Class Code
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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