Ethyl ethynyl ether

70.09 g·mol−1

0.732 g/mL at 25 °C

53°C

-20 ºF

clear orange to brown solution

R11 - Highly flammable
R36/37/38 - Irritating to eyes, respiratory system and skin
R38 - Irritating to skin
R48/20 - Harmful: danger of serious damage to health by prolonged exposure through inhalation
R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R62 - Possible risk of impaired fertility
R65 - Harmful: may cause lung damage if swallowed
R67 - Vapours may cause drowsiness and dizziness

S16 - Keep away from sources of ignition - No smoking
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37 - Wear suitable protective clothing and gloves
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet
S62 - If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label where possible

3

F, Xn, N

-20°C

UN 1993 3 / PG 2