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Description
Catalogue Number	105091
Synonyms	Potassium persulfate

Physicochemical Information
Density	2.477 g/cm3
Melting Point	100 °C (decomposition)
pH value	2.5 – 4.5 (27 g/l, H₂O, 25 °C)
Vapor pressure	<0.1 hPa (25 °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)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P220: Keep away from clothing and other combustible materials. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. P302 + P352: IF ON SKIN: Wash with plenty of water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
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
Categories of danger	oxidizing, harmful, irritant, sensitizing

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1492 , 5.1, III
Declaration (transport by air) IATA-DGR	UN 1492 , 5.1, III
Declaration (transport by sea) IMDG-Code	UN 1492 , 5.1, III

Merck 105091 1000 Potassium Peroxodisulfate Gr For Analysis 1 KG.