Melting point :-81 °C (lit.)
Boiling point :93 °C (lit.)
Density :1.135 g/mL at 25 °C (lit.)
vapor density :3.74 (vs air)
vapor pressure :3.42 psi ( 20 °C)
refractive index :n20/D 1.395(lit.)
Flash point :57 °F
storage temp. :2-8°C
solubility :Chloroform (Soluble), Ethyl Acetate (Slightly)
form :Liquid
color :White to off-white
Odor :Irritating; sharp, like hydrochloric acid.
Water Solubility :decomposes
Sensitive :Moisture Sensitive
Merck :14,3784
BRN :385653
Dielectric constant :11.3（20℃）
Stability :Moisture Sensitive
LogP :1.440 (est)
CAS DataBase Reference :541-41-3(CAS DataBase Reference)
NIST Chemistry Reference :Carbonochloridic acid, ethyl ester(541-41-3)
EPA Substance Registry System :Ethyl chloroformate (541-41-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.