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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))
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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

Redi-Dri is an innovative packaging product line that helps eliminate clumping material by adding extra packaging process steps without any chemical additives, anti-clumping agents, or hydrophobic compounds. Redi-Dri offers a more convenient and safer way to handle the products.

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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This Item
21622437982460489
description

free-flowing, Redi-Dri, ACS reagent, ≥99.0%

description

ACS reagent, ≥99.0%

description

99.99% trace metals basis

description

puriss. p.a., ACS reagent, ≥99.0% (RT)

form

powder

form

powder or crystals

form

solid

form

powder or crystals

solubility

water: soluble (52.77 g/l at 20 °C (68 °F))

solubility

water: soluble (52.77 g/l at 20 °C (68 °F))

solubility

water: soluble

solubility

water: soluble (52.77 g/l soluble (68 °F / 20 °C) pH: 3.8)

assay

≥99.0%

assay

≥99.0%

assay

99.99% trace metals basis

assay

≥99.0% (RT)

grade

ACS reagent

grade

ACS reagent

grade

-

grade

ACS reagent, puriss. p.a.

anion traces

chloride (Cl-): 0.001%

anion traces

chloride (Cl-): ≤0.001%

anion traces

-

anion traces

chloride (Cl-): ≤10 mg/kg

pH

2.5-4.5 (25 °C, 27 g/L)

pH

2.5-4.5 (25 °C, 27 g/L)

pH

-

pH

2.5-4.5 (25 °C, 27 g/L)


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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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