Isoprene

• Catalog No.: 59250
• CAS Number: 78-79-5
• M. F.: C5H8
• M. W.: 68.11702
• Purity: ≥98.0% (GC)

SYNONYMS

• Title: 异戊二烯
• IUPAC name: 2-methylbuta-1,3-diene
• IUPAC Traditional name: isoprene
• Synonyms: 2-甲基-1,3-丁二烯; 2-Methyl-1,3-butadiene

DATABASE IDS

• EC Number: 201-143-3
• PubChem SID: 24881395
• CAS Number: 78-79-5
• MDL Number: MFCD00008600
• Beilstein Number: 969158

PROPERTIES

• Contains: ~0.01% 4-tert-butylcatechol as stabilizer
• Grade: purum
• Linear Formula: CH2=CHC(CH3)=CH2
• Purity: ≥98.0% (GC)
• Auto Ignition Point: 428 °F
• Boiling Point: 34 °C(lit.)
• Density: 0.681 g/mL at 20 °C
• Density: 0.681 g/mL at 25 °C(lit.)
• Flash Point: -54 °C
• Flash Point: -65.2 °F
• Melting Point: -146 °C(lit.)
• Refractive Index: n20/D 1.422(lit.)
• Refractive Index: n20/D 1.422
• Vapor Density: 2.35 (vs air)
• Vapor Pressure: 8.82 psi ( 20 °C)
• Explode Limits: 10 %
• GHS Signal Word: Danger
• GHS Hazard statements: H224-H341-H350-H412
• European Hazard Symbols: Highly flammable (F+)
• European Hazard Symbols: Toxic (T)
• GHS Precautionary statements: P201-P210-P273-P281-P308 + P313
• RID/ADR: UN 1218 3/PG 1
• Risk Statements: 45-12-52/53-68
• Safety Statements: 53-45-61
• Hazard Class: 3
• UN Number: 1218
• Packing Group: 1
• German water hazard class: 3