Diethylmethoxyborane

99.97 g·mol−1

0.868 g/mL at 25 °C

20 ºF

transparent to light yellow liquid

R11 - Highly flammable
R17 - Spontaneously flammable in air
R19 - May form explosive peroxides
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed
R22 - Harmful if swallowed
R34 - Causes burns
R36/37/38 - Irritating to eyes, respiratory system and skin
R37 - Irritating to respiratory system
R40 - Limited evidence of a carcinogenic effect
R43 - May cause sensitisation by skin contact
R48/22 - Harmful: danger of serious damage to health by prolonged exposure if swallowed
R53 - May cause long-term adverse effects in the aquatic environment

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
S27 - Take off immediately all contaminated clothing
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S43 - In case of fire use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add - Never use water)
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S6 - Keep under ... (inert gas to be specified by the manufacturer)
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet

3

F, Xn, Xi, C

UN 1993 3 / PG 2