906735
Potassium persulfate
free-flowing, Redi-Dri™, ACS reagent, ≥99.0%
Synonym(s):
Potassium peroxodisulfate
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About This Item
Linear Formula:
K2S2O8
CAS Number:
Molecular Weight:
270.32
UNSPSC Code:
12352120
NACRES:
NA.21
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
powder
Solubility:
water: soluble (52.77 g/l at 20 °C (68 °F))
grade
ACS reagent
vapor density
9.3 (vs air)
product line
Redi-Dri™
assay
≥99.0%
form
powder
pH
2.5-4.5 (25 °C, 27 g/L)
solubility
water: soluble (52.77 g/l at 20 °C (68 °F))
anion traces
chloride (Cl-): 0.001%
cation traces
Fe: ≤5 ppm, Mn: ≤2 ppm, heavy metals: ≤0.001%
SMILES string
[K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O
InChI
1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
InChI key
USHAGKDGDHPEEY-UHFFFAOYSA-L
Application
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
5.1B - Oxidizing hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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