Melting point :>300 °C (lit.)
Density :1.84 g/cm3
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
form :Fine Crystalline Powder
color :White
PH :4.0 to 7.0
Water Solubility :sparingly soluble
Sensitive :Light Sensitive & Hygroscopic
Merck :14,9225
BRN :3620030
Exposure limits :ACGIH: TWA 0.01 ppm
Stability :Stable, but light-sensitive and hygroscopic. Store under a dry atmosphere in a dark container.
CAS DataBase Reference :75-58-1(CAS DataBase Reference)
EPA Substance Registry System :Tetramethylammonium iodide (75-58-1)

Symbol(GHS):
Signal word:	Warning
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 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:	P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P309 IF exposed or if you feel unwell: P310 Immediately call a POISON CENTER or doctor/physician.