Potassium iodide CAS#7681-11-0

Boiling point 

184 °C(lit.)

bulk density

1500kg/m3

density 

1.7 g/cm3

vapor density 

9 (vs air)

vapor pressure 

0.31 mm Hg ( 25 °C)

refractive index 

1.677

Fp 

1330°C

storage temp. 

2-8°C

solubility 

H2O: 1 M at 20 °C, clear, colorless

pka

0.06[at 20 ℃]

form 

particles (round)

color 

Yellow

Specific Gravity

3.13

Odor

odorless

PH

6.0-9.0 (25℃, 1M in H2O)

Flame Color

Violet or light purple

biological source

rabbit

Water Solubility 

1.43 kg/L

Sensitive 

Hygroscopic

Merck 

14,7643

Exposure limits

ACGIH: TWA 0.01 ppm

Dielectric constant

5.1200000000000001

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.

Cosmetics Ingredients Functions

ANTIMICROBIAL

InChI

1S/HI.K/h1H;/q;+1/p-1

InChIKey

NLKNQRATVPKPDG-UHFFFAOYSA-M

SMILES

[K+].[I-]

LogP

-0.958 at 25℃

CAS DataBase Reference

7681-11-0(CAS DataBase Reference)

NIST Chemistry Reference

Potassium iodide(7681-11-0)

EPA Substance Registry System

Potassium iodide (7681-11-0)

Absorption

cut-off at 273nm in H2O at 1M

Safety Information

Risk Statements 

26

Safety Statements 

22-36/38

WGK Germany 

1

RTECS 

TT2975000

F 

10

TSCA 

TSCA listed

HS Code 

28276000

Storage Class

6.1D - Non-combustible acute toxic Cat.3
toxic hazardous materials or hazardous materials causing chronic effects

Hazard Classifications

STOT RE 1 Oral

Hazardous Substances Data

7681-11-0(Hazardous Substances Data)

Toxicity

Approx LD i.v. in rats: 285 mg/kg (Hildebrandt)