MERCK 105050.0500 Potassium Iodate Extra Pure CAS No.7758-05-6

Key Spec Table

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
7758-05-6	231-831-9	IO3 * K	KIO₃	214 g/mol	FCC

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Description
Catalogue Number	105050

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

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

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H272: May intensify fire; oxidizer.H302: Harmful if swallowed.H319: Causes serious eye 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.P264: Wash skin thoroughly after handling.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.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	NN1350000
Storage class	5.1B Oxidizing hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	22Inorganic 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	irritant

Storage and Shipping Information
Storage	Store at +15°C to +25°C.

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

Specifications
Assay (iodometric, calc. on dried substance)	99.8 - 101.0 %
Identity	passes test
Acidity,Alkalinity	passes test
Chlorate	passes test
Iodide (I)	passes test
Sulfate (SO₄)	passes test
Heavy metals (as Pb)	≤ 0.001 %
As (Arsenic)	≤ 0.0003 %
Pb (Lead)	≤ 0.0004 %
Loss on drying (130 °C)	≤ 0.05 %
Conforms to FCC.