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Physicochemical Information
Density	3.87 g/cm3 (20 °C)
Melting Point	270 °C decomposes
pH value	3.5 – 5.5 (107 g/l, H₂O, 25 °C)
Bulk density	2900 kg/m3
Solubility	91 g/l

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H271: May cause fire or explosion; strong oxidizer. H314: Causes severe skin burns and eye damage. H372: Causes damage to organs through prolonged or repeated exposure. H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P260: Do not breathe dust. P273: Avoid release to the environment. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with 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	SD4550000
Storage class	5.1A Strongly oxidizing hazardous materials
WGK	WGK 3 highly 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

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 3085 , 5.1 (8), I
Declaration (transport by air) IATA-DGR	UN 3085 , 5.1 (8), I
Declaration (transport by sea) IMDG-Code	UN 3085 , 5.1 (8), I, Segregation Group: 1 (Acids)

Merck 106597 0050 Sodium Metaperiodate Gr For Analysis Acs 50 GR.