2-Octynoic acid 98%

140.18 g·mol−1

0.961 g/mL at 25 °C(lit.)

2-5 °C(lit.)

148-149 °C19 mm Hg(lit.)

101.1 °C

clear colorless to light yellow liquid

UN 3265

R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed
R34 - Causes burns

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
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)

8

C

2-8 °C

UN 3265 8 / PG 2