7727-21-1
Product Name:
Potassium persulfate
Formula:
K2O8S2
Synonyms:
KPS;Potassium peroxodisulfate;Potassium persulfate
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Potassium persulfate appears as a white crystalline solid. Specific gravity 2.477. Decomposes below 100 °C. |
|---|---|
| Color/Form | COLORLESS, TRICLINIC CRYSTALS |
| Odor | ODORLESS |
| Solubility | 1.75 G IN 100 CC OF WATER @ 0 °C |
| Density | 2.477 |
| Vapor Density | 2.48 |
| Stability/Shelf Life | GRADUALLY DECOMP LOSING AVAIL OXYGEN, MORE QUICKLY AT HIGHER TEMP, COMPLETELY AT ABOUT 100 °C |
| Decomposition | Dangerous when heated to decomp, emits highly toxic fumes of /sulfur oxides/. |
| pH | AQUEOUS SOLN IS ACIDIC |
| Refractive Index | INDICES OF REFRACTION: 1.461, 1.467, 1.566 |
| Other Experimental Properties | Decomposes below 100 °C |
| Chemical Classes | Other Classes -> Inorganic Oxidizing Agents |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Over Circle Oxidizers GHS03  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H272:Oxidising liquids;Oxidising solids H302:Acute toxicity,oral H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 270.33 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 1 |
| Exact Mass | 269.8308723 g/mol |
| Monoisotopic Mass | 269.8308723 g/mol |
| Topological Polar Surface Area | 150 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 206 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 3 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Potassium persulfate appears as a white crystalline solid. Specific gravity 2.477. Decomposes below 100 °C.
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