Melting point :165-168 °C (lit.)
Density :1.560 g/mL at 20 °C
storage temp. :Inert atmosphere,Room Temperature
solubility :H₂O: 1 M at 20 °C, clear, colorless
pka :3.79[at 20 ℃]
form :colorless hygroscopic crystals
Specific Gravity :1.91
color :colorless hygroscopic crystals, crystalline
PH :7.4(1 mM solution);7.83(10 mM solution);8.25(100 mM solution);8.58(1000 mM solution)
Water Solubility :soluble
Sensitive :Hygroscopic
λmax :λ: 260 nm Amax: 0.09
λ: 280 nm Amax: 0.08 Hydrolytic Sensitivity :0: forms stable aqueous solutions
Merck :14,7633
BRN :3623272
InChI :1S/CH2O2.K/c2-1-3;/h1H,(H,2,3);/q;+1/p-1
InChIKey :WFIZEGIEIOHZCP-UHFFFAOYSA-M
SMILES :[K+].[O-]C=O
LogP :-2 at 20℃
CAS DataBase Reference :590-29-4(CAS DataBase Reference)
EPA Substance Registry System :Formic acid, potassium salt (590-29-4)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.