10034-13-6

Basic information

• Product Name: (E)-1-methoxybut-1-ene
• Synonyms: (E)-1-methoxybut-1-ene
• CAS NO: 10034-13-6
• Molecular Formula: C₅H₁₀O
• Molecular Weight: 86.13
• Mol File: 10034-13-6.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 68.2°Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: 0.775g/cm³
• Vapor Pressure: 153mmHg at 25°C
• Refractive Index: 1.401
• CAS DataBase Reference: (E)-1-methoxybut-1-ene(CAS DataBase Reference)
• NIST Chemistry Reference: (E)-1-methoxybut-1-ene(10034-13-6)
• EPA Substance Registry System: (E)-1-methoxybut-1-ene(10034-13-6)

Safety Data

• Hazardous Substances Data: 10034-13-6(Hazardous Substances Data)

Usage

Description

(E)-1-methoxybut-1-ene, also known as isoprene methylether, is a colorless liquid chemical compound with the molecular formula C5H10O. It is characterized by a fruity odor and is primarily recognized for its use as an intermediate in the synthesis of other organic compounds.

Uses

Used in Flavor and Fragrance Industry:
(E)-1-methoxybut-1-ene is used as a key intermediate for the production of fragrances and flavors, adding unique scents and tastes to various consumer products.
Used in Food and Beverage Industry:
As a flavoring agent, (E)-1-methoxybut-1-ene is utilized in the food and beverage industry to enhance the sensory experience of a wide range of products.
Used in Pharmaceutical Industry:
(E)-1-methoxybut-1-ene serves as a chemical intermediate in the manufacturing process of pharmaceuticals, contributing to the development of new medications.
Used in Agrochemical Industry:
(E)-1-methoxybut-1-ene is also employed as an intermediate in the production of agrochemicals, playing a role in the creation of substances that protect and enhance crop yields.
Used as a Solvent:
In various industrial processes, (E)-1-methoxybut-1-ene can be used as a solvent, facilitating chemical reactions and aiding in the production of different products.

InChI:InChI=1/C5H10O/c1-3-4-5-6-2/h4-5H,3H2,1-2H3/b5-4+

Upstream product

• 36024-53-0 cis-1-methoxy-2-methylcyclopropane 
• 36024-53-0 trans-1-methoxy-2-methylcyclopropane 

Downstream Products

• 15790-87-1 Methyl (E)-2-pentenoate 
• 818-58-6 methyl (E)-pent-3-enoate 
• 32929-59-2 (3R,4R)-4-Ethyl-3-methoxy-2,2-diphenyl-cyclobutanone 

Relevant articles and documents

Kinetics of the Gas-phase Thermal Decompositions of 1-Methoxy-1-methylcyclopropane and cis- and trans-1-Methoxy-2-methylcyclopropane

In the temperature range 665-737 K the thermal decomposition of 1-methoxy-1-methylcyclopropane follows first-order kinetics with a rate constant given by the equation k/s-1 = 1014.76 +/- 0.81 exp(-252 +/- 10 kJ mol-1/RT).The presence of the 1-methyl substituent destablises the transition state for reaction.Secondary decomposition of the initially formed isomeric products precludes the determination of their individual rates of formation.Cis- and trans-1-methoxy-2-methylcyclopropane undergo first-order, reversible, geometric isomerisation in competition with structural isomerisation to give cis- and trans-1-methoxybut-1-ene and 1-methoxy-2-methylpropene in the temperature range 597-689 K: kcis -> trans/s-1 = 1015.25 +/- 0.23 exp(-235.4 +/- 2.8 kJ mol-1/RT), ktrans -> cis/s-1 = 1014.99 +/- 0.80 exp(-233.7 +/- 9.9 kJ mol-1/RT), kcis -> cis-1-methoxybut-1-ene/s-1 = 1013.79 +/- 0.29 exp(-233.1 +/- 3.6 kJ mol-1/RT), kcis -> trans-1-methoxybut-1-ene/s-1 = 1013.29 +/- 0.66 exp(-234.4 +/- 8.1 kJ mol-1/RT), kcis -> 1-methoxy-2-methylpropene/s-1 = 1012.4 +/- 1.0 exp(-225 +/- 12 kJ mol-1/RT), ktrans -> cis-1-methoxybut-1-ene/s-1 = 1014.05 +/- 0.62 exp(-243.7 +/- 7.8 kJ mol-1/RT), ktrans -> trans-1-methoxybut-1-ene/s-1 = 1013.0 +/- 0.9 exp(-233 +/- 11kJ mol-1/RT), ktrans -> 1-methoxy-2-methylpropane/s-1 = 1013.5 +/- 1.0 exp(-235 +/- 13 kJ mol-1/RT).On the basis of a biradical mechanism the results provide evidence for the formation of distinguishable biradicals on opening the cis- and trans-1-methoxy-2-methylcyclopropane ring.Estimates are made of the relative rates of ring closing, internal rotation and hydrogen-atom transfer of the biradicals.