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Description
Catalogue Number
105091
Synonyms
Potassium persulfate
Product Information
CAS number
7727-21-1
EC index number
016-061-00-1
EC number
231-781-8
Hill Formula
K₂O₈S₂
Molar Mass
270.32 g/mol
HS Code
2833 40 00
Physicochemical Information
Density
2.48 g/cm3 (20 °C)
Melting Point
100 °C (分解)
pH value
3.2 (50 g/l, H₂O, 20 °C)
Bulk density
1150 kg/m3
Solubility
50 g/l
Toxicological Information
LD 50 oral
LD50 Rat 802 mg/kg
Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)
H272: May intensify fire; oxidizer. H302: Harmful if swallowed. H315: Causes skin irritation. H317: May cause an allergic skin reaction. H319: Causes serious eye irritation. H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled. H335: May cause respiratory irritation.
Precautionary Statement(s)
P280: Wear protective gloves. 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. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P342 + P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor.
Signal Word
Danger
RTECS
SE0400000
Storage class
5.1B Oxidizing hazardous materials
WGK
WGK 1 slightly hazardous to water
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
Hazard Symbols
Harmful Oxidising
Categories of danger
oxidizing, harmful, irritant, sensitizing
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 sensitisation 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.