Merck 105051 0100 Potassium iodate Gr For Analysis Acs,iso 100 GR.

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Description
Catalogue Number	105051

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Product Information
CAS number	7758-05-6
EC number	231-831-9
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	IO3 * K
Chemical formula	KIO₃
Molar Mass	214 g/mol
HS Code	2829 90 31
Quality Level	MQ300

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Physicochemical Information
Density	3.98 g/cm3 (20 °C)
Melting Point	560 °C decomposes
pH value	6 (50 g/l, H₂O, 20 °C)
Bulk density	2000 kg/m3
Solubility	92 g/l

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n
Hazard Statement(s)	H272: May intensify fire; oxidizer.\nH302: Harmful if swallowed.\nH319: Causes serious eye irritation.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.\nP220: Keep away from clothing and other combustible materials.\nP264: Wash skin thoroughly after handling.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.\nP305 + 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	NN1350000
Storage class	5.1B Oxidizing hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	22\nInorganic 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.

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Safety Information
Categories of danger	irritant

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

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Transport Information
Declaration (railroad and road) ADR, RID	UN 1479 , 5.1, II
Declaration (transport by air) IATA-DGR	UN 1479 , 5.1, II
Declaration (transport by sea) IMDG-Code	UN 1479 , 5.1, II

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Specifications
Assay (iodometric)	99.7 - 100.4 %
Insoluble matter	≤ 0.005 %
pH-value (5 %; water)	5.0 - 8.0
Chloride, Chlorate, Bromide, Bromate (as Cl)	≤ 0.01 %
Iodide (I)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.005 %
Total nitrogen (N)	≤ 0.002 %
Heavy metals (ACS)	≤ 5 ppm
Heavy metals (as Pb)	≤ 0.0005 %
As (Arsenic)	≤ 0.0003 %
Fe (Iron)	≤ 0.001 %
Na (Sodium)	≤ 0.005 %
Pb (Lead)	≤ 0.0004 %
Loss on drying (130 °C)	≤ 0.05 %
Corresponds to ACS, ISO, Reag. Ph Eur