Synonym(s): Peroxydisulfuric acid dipotassium salt, Potassium persulfate
Formula: K2O8S2
Formula weight: 270.33
Purity: 97%
CAS Number: 7727-21-1
UN Number: UN1492
Hazard Class: 5.1
Packing Group: III
Harmonized Tariff Code: 2833.40
Hazard Statements: H334-H272-H302-H335-H315-H319-H317
May cause allergy or asthma symptoms or breathing difficulties if inhaled. May intensify fire; oxidizer. Harmful if swallowed. May cause respiratory irritation. Causes skin irritation. Causes serious eye irritation. May cause an allergic skin reaction.
Precautionary Statements: P221-P210-P284a-P305+P351+P338-P405-P501a
Take any precaution to avoid mixing with combustibles. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Risk Phrases: 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 sensitisation by inhalation and skin contact.
Safety Phrases: 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.
Form: White crystal powder
Density: 2.477
Melting point: 100° dec.
Merck: 14,7656
EINECS: 231-781-8
MDL: MFCD00011386
RTECS: SE0400000