Name | 1,3,5,7-Cyclooctatetraene |
Synonyms | COT 1,3,5,7-COT [8]Annulene CYCLOOCTATETRAENE cyclooctatetraene stab. 1,3,5,7-Cyclooctatetraene 1,3,5,7-CYCLOOCTATETRAENE cycloocta-1,3,5,7-tetraene CYCLOOCTATETRAENE(1,3,5,7-) CyclooctatetraeneCOTpaleyellowliq |
CAS | 629-20-9 |
EINECS | 211-080-3 |
InChI | InChI=1/C8H8/c1-2-4-6-8-7-5-3-1/h1-8H/b2-1-,3-1-,4-2-,5-3-,6-4-,7-5-,8-6-,8-7- |
Molecular Formula | C8H8 |
Molar Mass | 104.15 |
Density | 0.925 g/mL at 25 °C (lit.) |
Melting Point | -5--3 °C (lit.) |
Boling Point | 142-143 °C (lit.) |
Flash Point | 72°F |
Water Solubility | Not miscible or difficult to mix in water. |
Vapor Presure | 7.64mmHg at 25°C |
Appearance | Liquid |
Specific Gravity | 0.943 |
Color | Turbid yellow to yellow-brown |
BRN | 2496800 |
Storage Condition | -20°C |
Stability | Stability Unstable - commercial product may be stabilized by the addition of a small amount of hydroquinone. May form explosive peroxides in storage. Do not distill to small volume. |
Sensitive | Light Sensitive |
Refractive Index | n20/D 1.537(lit.) |
Physical and Chemical Properties | Golden yellow liquid. Melting Point -4.7 °c (freezing point -7 °c), boiling point 142-143 °c (140.5 °c), relative density 0.9206(20/4 °c), refractive index 1.5290, flash point 22 °c. |
Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R65 - Harmful: May cause lung damage if swallowed R61 - May cause harm to the unborn child |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. |
UN IDs | UN 2358 3/PG 2 |
WGK Germany | 3 |
RTECS | GY0175600 |
FLUKA BRAND F CODES | 8-10 |
TSCA | Y |
HS Code | 29021900 |
Hazard Class | 3 |
Packing Group | II |