Basic information Outline Half-life Recrystallization Solubility in water(g/100ml) The main application areas Toxicity Storage precautions Chemical properties Uses Production method Category Toxicity grading Acute toxicity Explosive hazardous characteristics Flammability hazard characteristic Storage characteristics Extinguishing agent Professional standards Safety Related Supplier
Potassium persulfate Structure

Potassium persulfate

Chemical Properties

Melting point 1067 °C
Boiling point 1689 °C
Density  2.47
vapor density  9.3 (vs air)
vapor pressure  0Pa at 25℃
storage temp.  Store at +5°C to +30°C.
solubility  H2O: 0.5 M at 20 °C, clear, colorless
form  Solid
Specific Gravity 2.477
color  White
PH 3.2 (50g/l, H2O, 20℃)
Odor Odorless
PH Range 2.5 - 4.5
Water Solubility  5 g/100 mL (20 ºC)
Merck  14,7656
Exposure limits ACGIH: TWA 0.1 mg/m3
Stability Stable. Strong oxidizer. Incompatible with strong reducing agents, organic materials, combustible materials.
LogP -1 at 20℃
CAS DataBase Reference 7727-21-1(CAS DataBase Reference)
EPA Substance Registry System Potassium persulfate (7727-21-1)

Safety Information

Hazard Codes  O,Xn
Risk Statements  8-22-36/37/38-42/43
Safety Statements  22-24-26-37
RIDADR  UN 1492 5.1/PG 3
WGK Germany  1
RTECS  TT5900000
HS Code  2833 40 00
HazardClass  5.1
PackingGroup  III
Hazardous Substances Data 7727-21-1(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 802 mg/kg


Usage And Synthesis

Potassium persulfate Supplier

Potassium persulfate manufacturers