Melting point :-77 °C
Boiling point :168 °C(lit.)
Density :0.933 g/mL at 20 °C(lit.)
vapor density :7.2 (vs air)
vapor pressure :<1 mm Hg ( 20 °C)
refractive index :n20/D 1.382(lit.)
Flash point :116 °F
storage temp. :Store below +30°C.
solubility :Soluble in ethanol and 2-propanol.
form :Liquid
Specific Gravity :0.934
color :Colorless
explosive limit :1.3-23%(V)
Water Solubility :Hydrolysis
FreezingPoint :-77℃
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
Merck :14,3851
BRN :1422225
Exposure limits :ACGIH: TWA 10 ppm
OSHA: TWA 100 ppm(850 mg/m3)
NIOSH: IDLH 700 ppm; TWA 10 ppm(85 mg/m3) Dielectric constant :4.1（20℃）
Stability :Stable. Flammable. Incompatible with strong oxidizing agents, water, alkalies, mineral acids.
InChIKey :BOTDANWDWHJENH-UHFFFAOYSA-N
CAS DataBase Reference :78-10-4(CAS DataBase Reference)
NIST Chemistry Reference :Silicic acid (H4sio4), tetraethyl ester(78-10-4)
EPA Substance Registry System :Tetraethyl silicate (78-10-4)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.