Product Information
CAS number	7727-54-0
EC index number	016-060-00-6
EC number	231-786-5
Grade	ACS,Reag. Ph Eur
Hill Formula	H₈N₂O₈S₂
Chemical formula	(NH₄)₂S₂O₈
Molar Mass	228.19 g/mol
HS Code	2833 40 00

Applications
Application	Ammonium peroxodisulfate for analysis EMSURE® ACS,Reag. Ph Eur. CAS No. 7727-54-0, EC Number 231-786-5.

Physicochemical Information
Density	1.98 g/cm3 (20 °C)
Melting Point	120 °C (decomposition)
pH value	3.2 (100 g/l, H₂O, 20 °C)
Bulk density	900 kg/m3
Solubility	620 g/l

Toxicological Information
LD 50 oral	LD50 Rat 742 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.
RTECS	SE0350000
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 +15°C to +25°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1444 , 5.1, III
Declaration (transport by air) IATA-DGR	UN 1444 , 5.1, III
Declaration (transport by sea) IMDG-Code	UN 1444 , 5.1, III, Segregation Group: 2 (Ammonium compounds)

Specifications
Assay (iodometric)	≥ 98.0 %
Insoluble matter	≤ 0.005 %
Titrable free acid	≤ 0.04 meq/g
Chloride, Chlorate (as Cl)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.001 %
Fe (Iron)	≤ 0.001 %
Mn (Manganese)	≤ 0.00005 %
Residue on ignition (as SO₄)	≤ 0.05 %

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MERCK 101201 Ammonium peroxodisulfate for analysis EMSURE ACS,Reag. Ph Eur. CAS No. 7727-54-0, EC Number 231-786-5.

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