MERCK 105040.1000 Potassium Iodate Emprove CAS No.7681-11-0

Key Spec Table

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
7681-11-0	231-659-4	IK	KI	166.01 g/mol	Ph Eur,BP,ChP,JP,USP

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Description
Catalogue Number	105040

Product Information
CAS number	7681-11-0
EC number	231-659-4
Grade	Ph Eur,BP,ChP,JP,USP
Hill Formula	IK
Chemical formula	KI
Molar Mass	166.01 g/mol
HS Code	2827 60 12
Quality Level	MQ600

Physicochemical Information
Boiling point	1325 °C (1013 hPa)
Density	3.13 g/cm3
Melting Point	680 °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)	P260: Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.P264: Wash skin thoroughly after handling.P270: Do not eat, drink or smoke when using this product.P314: Get medical advice/ attention if you feel unwell.P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word	Danger
RTECS	TT2975000
Storage class	6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK	WGK 3 highly hazardous to water
Disposal	14Inorganic 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).

Storage and Shipping Information
Storage	Store at +2°C to +25°C.

Specifications
Assay (argentometric; calculated on dried substance)	99.0 - 100.5 %
Identity	passes test
Appearance of solution	passes test
Appearance of solution (JP)	passes test
Alkaline impurities	passes test
Chloride (Cl)	≤ 0.5 %
Chloride, Bromide and Thiosulfate	passes test
Cyanide (CN)	passes test
Iodate(IO₃)	passes test
Sulfate (SO₄)	≤ 0.005 %
Thiosulfate (S₂O₃)	passes test
Thiosulfate and barium	passes test
Total nitrogen (N)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.0010 %
As (Arsenic)	≤ 0.0003 %
Ba (Barium)	passes test
Fe (Iron)	≤ 0.0002 %
Na (Sodium)	≤ 0.1 %
Residual solvents (ICH Q3C) class 3	≤ 0.1 %
Other residual solvents (ICH Q3C)	excluded by manufacturing process
Loss on Drying (105 °C)	≤ 0.5 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities).Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
conforms to Ph Eur, BP, ChP, JP, USP