Potassium iodide Basic information
Chemical properties Uses Medical Uses Adverse reactions Feed additives Radiation effects Solubility in water Preparation Identification test Toxicity
Product Name: Potassium iodide
Synonyms: LUGOL;LUGOL'S SOLUTION;IODIDE;IODIDE IC STANDARD;IODINE, ELEMENTAL;IODIDE, ION CHROMATOGRAPHY STANDARD SOLUTION;IODINE-IODINE;IODINE SOLUTION
CAS: 7681-11-0
MF: IK
MW: 166
EINECS: 231-442-4
Product Categories: Inorganics;ACS GradeSynthetic Reagents;Essential Chemicals;Reagent Plus;Routine Reagents;Reference Material Silver nitrateTitration;Salt Concentrates;By Reference Material;Concentrates (e.g. FIXANAL);Halogenated ConcentratesConcentrates (e.g. FIXANAL);Reference Material Sodium thiosulfate;O-P, Puriss p.a. ACS;Puriss p.a. ACS;PotassiumTitration;Solution containers (VOLPAC);Analytical Reagents for General Use;O-P, Puriss p.a.;Puriss p.a.;Pharmacopoeia (USP);Pharmacopoeia A-ZPharmacopoeia (USP);Pharmacopoeial Inorganics;Halogenated SolutionsVolumetric Solutions;N - RSynthetic Reagents;Potassium;Titration;G - MTitration;Halogenated Solutions;Salt Solutions;Volumetric Solutions;Crystal Grade Inorganics;Inorganic Salts;Potassium Salts;PotassiumMetal and Ceramic Science;Salts;Synthetic Reagents;BioUltraDerivatization Reagents TLC;TLC Reagents, N-RDerivatization Reagents TLC;Molecular Biology;Molecular Biology Reagents;TLC Visualization Reagents (alphabetic sort);TLC Visualization Reagents (by application);Vitamins;Etchants;Electronic Chemicals;Micro/Nanoelectronics;metal halide;19: K;Beaded Materials;Chemical Synthesis;Crystal Grade Inorganics;Inorganic Salts;Materials Science;Metal and Ceramic Science;Potassium Salts;Synthetic Reagents;dyestuff
Mol File: 7681-11-0.mol
Potassium iodide Structure
Potassium iodide Chemical Properties
Melting point 113 °C(lit.)
Boiling point 184 °C(lit.)
density 1.32 g/mL at 25 °C
vapor density 9 (vs air)
vapor pressure 0.31 mm Hg ( 25 °C)
refractive index 1.677
Fp 1330°C
storage temp. Store at RT.
solubility H2O: 1 M at 20 °C, clear, colorless
form particles (round)
color Yellow
PH 6.0-9.0 (25℃, 1M in H2O)
Water Solubility 1.43 kg/L
Sensitive Hygroscopic
Merck 14,7643
Stability: Stable. Protect from light and moisture. Incompatible with strong reducing agents, strong acids, steel, aluminium, alkali metals, brass, magnesium, zinc, cadmium, copper, tin, nickel and their alloys.
InChIKey NLKNQRATVPKPDG-UHFFFAOYSA-M
CAS DataBase Reference 7681-11-0(CAS DataBase Reference)
NIST Chemistry Reference Potassium iodide(7681-11-0)
EPA Substance Registry System Potassium iodide (KI)(7681-11-0)
Safety Information
Hazard Codes Xn
Risk Statements 26
Safety Statements 22-36/38
WGK Germany 1
RTECS TT2975000
F 10
TSCA Yes
HS Code 28276000
Hazardous Substances Data 7681-11-0(Hazardous Substances Data)
Toxicity Approx LD i.v. in rats: 285 mg/kg (Hildebrandt)