If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
379824
Potassium persulfate
99.99% trace metals basis
Synonym(s):
Potassium peroxodisulfate
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Available to ship onJuly 22, 2026fromMILWAUKEE | $71.20 |
25 g | Available to ship onJuly 22, 2026fromMILWAUKEE | $251.00 |
About This Item
$71.20
Available to ship onJuly 22, 2026Details
vapor density
9.3 (vs air)
Quality Segment
assay
99.99% trace metals basis
form
solid
reaction suitability
core: potassium, reagent type: oxidant
impurities
≤150.0 ppm Trace Metal Analysis
solubility
water: soluble
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
1 of 1
This Item | |||
|---|---|---|---|
| description 99.99% trace metals basis | description ACS reagent, ≥99.0% | description puriss. p.a., ACS reagent, ≥99.0% (RT) | description for analysis (<= 0.001% N) EMSURE® ACS,Reag. Ph Eur |
| form solid | form powder or crystals | form powder or crystals | form solid |
| assay 99.99% trace metals basis | assay ≥99.0% | assay ≥99.0% (RT) | assay ≥99.0% (iodometric) |
| solubility water: soluble | solubility water: soluble (52.77 g/l at 20 °C (68 °F)) | solubility water: soluble (52.77 g/l soluble (68 °F / 20 °C) pH: 3.8) | solubility water: soluble (52.77 g/l at 20 °C (68 °F)) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 300 |
| impurities ≤150.0 ppm Trace Metal Analysis | impurities ≤0.001% Cl compounds, ≤0.005% insolubles | impurities ≤0.001% total nitrogen (N) | impurities ≤0.005% Insoluble matter |
| vapor density 9.3 (vs air) | vapor density 9.3 (vs air) | vapor density - | vapor density - |
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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
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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