پتاسیم پروکسو دی سولفات 105091 مرک

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

Applications
Application	Potassium peroxodisulfate for analysis EMSURE®. CAS 7727-21-1, pH 3.2 (50 g/l, H₂O, 20 °C).

Physicochemical Information
Density	2.48 g/cm3 (20 °C)
Melting Point	100 °C (decomposition)
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 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
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.

Storage and Shipping Information
Storage	Store at +5°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

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