碘酸鉀 100g 99.7 - 100.4 % GR for analysis EMSURE® ACS,ISO,Reag. Ph Eur | MERCK

碘酸鉀 100g 99.7 – 100.4 % GR for analysis EMSURE® ACS,ISO,Reag. Ph Eur | MERCK

CAS #: 7758-05-6

Potassium iodate

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貨號: MRK-1.05051.0100 分類:

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Description
Catalogue Number 105051

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 80
Quality Level MQ300

Physicochemical Information
Density 3.98 g/cm3 (20 °C)
Melting Point 560 °C 分解
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 Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H272: May intensify fire; oxidizer.
H302: Harmful if swallowed.
H318: Causes serious eye damage.
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 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 irritant

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

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