Synonyms: 2-Methyl-1,3-butadiene
Formula: CH2=CHC(CH3)=CH2
Formula Weight: 68.12
CAS No.: 78-79-5
Purity: ≥99.5% (GC)
Density: 0.681 g/mL at 20 °C; 0.681 g/mL at 25 °C(lit.)
Storage Temperature: 2-8°C
Assay: ≥99.5% (GC)
Autoignition Temp.: 428°F
BP: 34°C(lit.)
Contains: ~0.02% 4-tert-butylcatechol as stabilizer
Density: 0.681 g/mL at 25°C(lit.)
Expl. Lim.: 10 %
Grade: analytical standard
MP: −146°C(lit.)
Refractive Index: n20/D 1.422
Shelf Life: (limited shelf life, expiry date on the label)
Storage Temp.: 2-8°C
Vapor Density: 2.35 (vs air)
Vapor Pressure: 8.82 psi ( 20°C)