123-48-8

Basic information

• Product Name: 2,2,4,6,6-PENTAMETHYL-3-HEPTENE
• Synonyms: 2,2,4,6,6-PENTAMETHYL-3-HEPTENE;2,2,4,6,6-PENTAMETHYLHEPTENE-3;(3E)-2,2,4,6,6-Pentamethyl-3-heptene;2,2,4,6,6-Pentamethyl-3-heptene,c&t;2,2,4,6,6-pentamethylhept-3-ene;2,2,4,6,6-PENTAMETHYLHEPTENE
• CAS NO: 123-48-8
• Molecular Formula: C₁₂H₂₄
• Molecular Weight: 168.32
• EINECS: 204-631-4
• Mol File: 123-48-8.mol
• Article Data: 5

Chemical Properties

• Melting Point: -38.4°C (estimate)
• Boiling Point: 180.55°C
• Flash Point: 47.1°C
• Appearance: /
• Density: 0.7502 (estimate)
• Vapor Pressure: 0.672mmHg at 25°C
• Refractive Index: 1.4198 (estimate)
• CAS DataBase Reference: 2,2,4,6,6-PENTAMETHYL-3-HEPTENE(CAS DataBase Reference)
• NIST Chemistry Reference: 2,2,4,6,6-PENTAMETHYL-3-HEPTENE(123-48-8)
• EPA Substance Registry System: 2,2,4,6,6-PENTAMETHYL-3-HEPTENE(123-48-8)

Safety Data

• Hazardous Substances Data: 123-48-8(Hazardous Substances Data)

Usage

Uses

2,2,4,6,6-Pentamethyl-3-heptene is used in preparation of Alkyl derivatives. Used in preparation of 2,4,4-Trimethyl-1-pentene.

InChI:InChI=1/C12H24/c1-10(8-11(2,3)4)9-12(5,6)7/h8H,9H2,1-7H3/b10-8-

Upstream product

• 105902-93-0 2,2,4,6,6-pentamethyl-heptan-3-ol 
• 67-56-1 methanol 
• 100386-42-3 4-chloro-2,2,4,6,6-pentamethylheptane 
• 75-89-8 2,2,2-trifluoroethanol 
• 115-11-7 isobutene 

Downstream Products

• 590-50-1 4,4-dimethyl-pentan-2-one 
• 5340-83-0 (+/-)-2-tert-butyl-2,4,4-trimethyl-valeric acid 
• 75-98-9 Trimethylacetic acid 
• 4436-99-1 dineopentyl ketone 
• 101873-28-3 2-tert-butyl-2,4,4-trimethyl-valeraldehyde-(2,4-dinitro-phenylhydrazone) 

Relevant articles and documents

Grunwald-Winstein Relations in the Solvolyses of Highly Congested Simple Secondary and Tertiary Alkyl Systems. Evidence for the Bronsted Base-Type Solvation in the Standard 1- and 2-Adamantyl Systems

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Olefin oligomerization via new and efficient Br?nsted acidic ionic liquid catalyst systems

Olefin oligomerization reaction catalyzed by new catalyst systems (a Br?nsted-acidic ionic liquid as the main catalyst and tricaprylylmethylammonium chloride as the co-catalyst) has been investigated. The synthesized Br?nsted acidic ionic liquids were characterized by Fourier transform infrared spectroscopy (FT-IR), ultraviolet-visible spectroscopy (UV), 1H nuclear magnetic resonance (NMR), and 13C NMR to analyze their structures and acidities. The influence of different ionic liquids, ionic liquid loading, different co-catalysts, catalyst ratios (mole ratio of ionic liquid to co-catalyst), reaction time, pressure, temperature, solvent, source of reactants, and the recycling of catalyst systems was studied. Among the synthesized ionic liquids, 1-(4-sulfonic acid)butyl-3-hexylimidazolium hydrogen sulfate ([HIMBs]HSO4) exhibited the best catalytic activity under the tested reaction conditions. The conversion of isobutene and selectivity of trimers were 83.21% and 35.80%, respectively, at the optimum reaction conditions. Furthermore, the catalyst system can be easily separated and reused; a feasible reaction mechanism is proposed on the basis of the distribution of experimental products.

OLIGOMERIZATION OF ISOBUTYLENE ON OXIDES COMMUNICATION 3. CATALYTIC PROPERTIES OF ALUMINA-RHENIUM CATALYSTS

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