Melting point :41 °C(lit.)
Boiling point :1505°C
Density :2,454 g/cm³
refractive index :1.352
storage temp. :Refrigerator (+4°C)
form :Liquid
color :Colorless
Specific Gravity :2.454
Water Solubility :SOLUBLE
Sensitive :Hygroscopic
Merck :14,7632
Exposure limits :ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3 Stability :hygroscopic
InChI :InChI=1S/FH.K.2H2O/h1H;;2*1H2/q;+1;;/p-1
InChIKey :MZFXHSQFQLKKFD-UHFFFAOYSA-M
SMILES :[K+].[F-].[H]O[H].[H]O[H]
CAS DataBase Reference :13455-21-5(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P352 IF ON SKIN: wash with plenty of soap and water. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.