Merck 105043 Potassium iodide for analysis EMSURE® ISO, Reag. Ph Eur CAS No.: 7681-11-0 250 gr

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MERCK

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LB.M.105043.0250

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Linear Formula: KI CAS Number: 7681-11-0 Molecular Weight: 166.00 MDL number: MFCD00011405 EC Index Number: 231-659-4

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Merck 105043 Potassium iodide for analysis EMSURE® ISO, Reag. Ph Eur 250 gr
Catalogue Number	105043

Merck 105043 Potassium iodide for analysis EMSURE® ISO,Reag. Ph Eur

Product Information
CAS number	7681-11-0
EC number	231-659-4
Grade	ISO,Reag. Ph Eur
Hill Formula	IK
Chemical formula	KI
Molar Mass	166.00 g/mol
HS Code	2827 60 00

Physicochemical Information
Boiling point	1325 °C (1013 hPa)
Density	3.23 g/cm3 (25 °C)
Melting Point	685 °C
pH value	6.9 (50 g/l, H₂O, 20 °C)
Vapor pressure	1 hPa (745 °C)
Bulk density	1500 kg/m3
Solubility	1430 g/l

Toxicological Information
LD 50 oral	LD50 Rat 2779 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H372: Causes damage to organs through prolonged or repeated exposure if swallowed.
Precautionary Statement(s)	P314: Get medical advice/ attention if you feel unwell.
Signal Word	Danger
RTECS	TT2975000
Storage class	6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects
WGK	WGK 1 slightly hazardous to water
Disposal	14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Safety Information
Hazard Symbols	Toxic
R Phrase	R 48/25 Toxic: danger of serious damage to health by prolonged exposure if swallowed.
S Phrase	S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Storage and Shipping Information
Storage	Store at +5 °C to +30 °C.

Specifications
Assay (argentometric)	≥ 99.5 %
Assay (argentometric; calculated on dried substance)	99.5 - 100.5 %
Identity	passes test
Appearance of solution	passes test
Alkaline impurities	passes test
pH-value (5 %; water)	6 - 8
Chloride and Bromide (as Cl)	≤ 0.01 %
Iodate (IO₃)	≤ 0.0003 %
Phosphate (PO₄)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.001 %
Thiosulfate (S₂O₃)	passes test
Total nitrogen (N)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.0005 %
As (Arsenic)	≤ 0.00001 %
Ba (Barium)	≤ 0.002 %
Ca (Calcium)	≤ 0.001 %
Cu (Copper)	≤ 0.0002 %
Fe (Iron)	≤ 0.0002 %
Mg (Magnesium)	≤ 0.001 %
Na (Sodium)	≤ 0.03 %
Pb (Lead)	≤ 0.0002 %
Reducing substances	passes test
Loss on Drying (105 °C)	≤ 0.1 %

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