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Safety Information

906735

Sigma-Aldrich

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:
7727-21-1
Molecular Weight:
270.32
MDL number:
MFCD00011386
UNSPSC Code:
12352120
NACRES:
NA.21

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)

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

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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

Signal Word

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 Code

5.1B - Oxidizing hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

906735-VAR:
906735-500G:
906735-100G:
906735-1KG:
906735-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCR3089
MKCT5597
MKCQ4386
MKCN7984
MKCM0409

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Articles

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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