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Potassium iodide Structure

Potassium iodide

Chemical Properties

Melting point 681 °C (lit.)
Boiling point 184 °C(lit.)
Density  1.7 g/cm3
vapor density  9 (vs air)
vapor pressure  0.31 mm Hg ( 25 °C)
refractive index  1.677
Flash point 1330°C
storage temp.  2-8°C
solubility  H2O: 1 M at 20 °C, clear, colorless
form  particles (round)
pka 0.06[at 20 ℃]
Specific Gravity 3.13
color  Yellow
PH 6.0-9.0 (25℃, 1M in H2O)
Odor odorless
Water Solubility  1.43 kg/L
Sensitive  Hygroscopic
Merck  14,7643
Dielectric constant 5.1200000000000001
Exposure limits ACGIH: TWA 0.01 ppm
BCS Class 1
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
LogP -0.958 at 25℃
FDA 21 CFR 172.375; 184.1634; 582.5634; 310.503; 310.545; 558.258; 582.80
Substances Added to Food (formerly EAFUS) POTASSIUM IODIDE
SCOGS (Select Committee on GRAS Substances) Potassium iodide
CAS DataBase Reference 7681-11-0(CAS DataBase Reference)
EWG's Food Scores 2
FDA UNII 1C4QK22F9J
ATC code R05CA02,S01XA04,V03AB21
NIST Chemistry Reference Potassium iodide(7681-11-0)
EPA Substance Registry System Potassium iodide (7681-11-0)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319
Precautionary statements P305+P351+P338
Hazard Codes  Xn
Risk Statements  26
Safety Statements  22-36/38
WGK Germany  1
RTECS  TT2975000
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)
NFPA 704:
0
1 0

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Potassium iodide Chemical Properties,Usage,Production

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