143820

2,4,4-Trimethyl-2-pentene

99%

• Synonym(s): β-Diisobutylene
• Linear Formula: (CH₃)₃CCH=C(CH₃)₂
• CAS Number: 107-40-4
• Molecular Weight: 112.21
• Beilstein/REAXYS Number: 1719492
• EC Number: 203-488-5
• MDL number: MFCD00008902
• UNSPSC Code: 12352100
• PubChem Substance ID: 24848613
• NACRES: NA.22

Properties

• vapor density: >1 (vs air)
• vapor pressure: 83 mmHg ( 37.7 °C)
• assay: 99%
• form: liquid
• autoignition temp.: 586 °F
• refractive index: n20/D 1.416 (lit.)
• bp: 104 °C (lit.)
• mp: −106.3-−106 °C (lit.)
• density: 0.72 g/mL at 25 °C (lit.)
• SMILES string: C\C(C)=C\C(C)(C)C
• InChI: 1S/C8H16/c1-7(2)6-8(3,4)5/h6H,1-5H3
• InChI key: LAAVYEUJEMRIGF-UHFFFAOYSA-N

Description

Application

2,4,4-Trimethyl-2-pentene was used to study the kinetics of liquid-phase hydrogenation of isooctenes on Pd/γ-Al₂O₃ catalyst in semibatch reactor. It was used in the analysis of butene oligomerate produced over solid and liquid phosphoric acid by GC-MS techniques.

Safety Information

• pictograms: GHS02,GHS09
• signalword: Danger
• hcodes: H225,H411
• pcodes: P210 - P233 - P240 - P241 - P242 - P273
• Hazard Classifications: Aquatic Chronic 2 - Flam. Liq. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 35.6 °F - closed cup
• flash_point_c: 2 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter