Tert-Butyl hydroperoxide

90.12 g·mol−1

0.937 g/mL at 20 °C

-2.8 °C

37 °C (15 mmHg)

85 ºF

R10 - Flammable
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed
R21/22 - Harmful in contact with skin and if swallowed
R23 - Toxic by inhalation
R34 - Causes burns
R43 - May cause sensitisation by skin contact
R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R53 - May cause long-term adverse effects in the aquatic environment
R65 - Harmful: may cause lung damage if swallowed
R67 - Vapours may cause drowsiness and dizziness
R68 - Possible risk of irreversible effects
R7 - May cause fire

S14 - Keep away from ... (incompatible materials to be indicated by the manufacturer)
S16 - Keep away from sources of ignition - No smoking
S17 - Keep away from combustible material
S24 - Avoid contact with skin
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S3/7 - Keep container tightly closed in a cool place
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)
S47 - Keep at temperature not exceeding ... °C (to be specified by the manufacturer)
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

5.2

O, C, N, T

2-8°C

UN 3109 5.2