1,5-Hexadiene

1,5-hexadienestick.png Hexa-1,5-diene diallyl, biallyl, α,ω-Hexadiene 592-42-7 11598 209-754-7 4MTZ4764FI 11110 1S/C6H10/c1-3-5-6-4-2/h3-4H,1-2,5-6H2 PYGSKMBEVAICCR-UHFFFAOYSA-N C=CCCC=C 6 10 colorless liquid 59–60 02 07 08 Danger 225 302 305 315 319 335 336 210 233 240 241 242 243 261 264 271 280 301+310 302+352 303+361+353 304+340 305+351+338 312 321 331 332+313 337+313 362 370+378 403+233 403+235 405 501 1,5-Hexadiene is the organic compound with the formula (CH2)2(CH=CH2)2. It is a colorless, volatile liquid. It is used as a crosslinking agent and precursor to a variety of other compounds. Synthesis 1,5-Hexadiene is produced commercially by the ethenolysis of 1,5-cyclooctadiene:Metathesis Kirk-Othmer Encyclopedia of Chemical Technology Lionel Delaude Alfred F. Noels 2005 10.1002/0471238961.metanoel.a01 Weinheim Wiley-VCH 9780471484943 (CH2CH=CHCH2)2 + 2 CH2=CH2 → 2 (CH2)2CH=CH2 The catalyst is derived from Re2O7 on alumina. A laboratory-scale preparation involves reductive coupling of allyl chloride using magnesium:Biallyl Amos Turk Henry Chanan Org. Synth. 1947 27 7 10.15227/orgsyn.027.0007 free 2 ClCH2CH\dCH2 + Mg → (CH2CH\dCH2)2 + MgCl2 References Category:Alkadienes Category:Monomers