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LC4896 Potassium peroxodisulfate
for analysis EMSURE


Order number Packaging Quantity Price €
AC31896 Plastic bottle 250 g 15.12
AC31896 Plastic bottle 1 kg 36.45


Product information
Synonyms Potassium persulfate
Hill Formula K2O8S2
HS Code 2833 40 00
EC number 231-781-8
Molar mass 270.32 g/mol
EC index number 016-061-00-1
CAS number 7727-21-1


Chemical and physical data
Solubility 50 g/l (20 °C)
Melting point 100 °C (decomposition)
Molar mass 270.32 g/mol
Density 2.48 g/cm3 (20 °C)
Bulk density 1150 kg/m3
pH value 4 – 5 (50 g/l, H2O, 20 °C)


Safety information according to GHS
Hazard Statement(s) H272: May intensify fire; oxidiser.
H302: Harmful if swallowed.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H315: Causes skin irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
Precautionary Statement(s) P210: Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
P280: Wear protective gloves.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Signal Word Danger
Hazard Pictogram(s)

RTECS SE0400000
Storage class 5.1 B Oxidizing agents (TRG 515 Group 2+3)
WGK WGK 1 slightly water endangering
Disposal 22
Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.


Safety information
R Phrase R 8-22-36/37/38-42/43
Contact with combustible material may cause fire.Harmful if swallowed.Irritating to eyes, respiratory system and skin.May cause sensitization by inhalation and skin contact.
S Phrase S 22-24-26-37
Do not breathe dust.Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves.
Categories of danger oxidizing, harmful, irritant, sensitizing
Hazard Symbo



Transport information
Declaration (transport by sea) IMDG-Code UN 1492 POTASSIUM PERSULPHATE, 5.1, III
Declaration (transport by air) IATA-DGR UN 1492 POTASSIUM PERSULPHATE, 5.1, III


Toxicological data
LD 50 oral LD50 rat 802 mg/kg


Assay (iodometric) ≥ 99.0 %
Chloride (Cl) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.003 %
Fe (Iron) ≤ 0.001 %
Mn (Manganese) ≤ 0.0001 %