17574-84-4

Basic information

• Product Name: 1-Methoxy-2-methylpropene
• Synonyms: 1-Methoxy-2-methyl-1-propene;1-Methoxy-2-methylpropene;Methylisobutenyl ether
• CAS NO: 17574-84-4
• Molecular Formula: C₅H₁₀O
• Molecular Weight: 0
• Mol File: 17574-84-4.mol
• Article Data: 3

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 1-Methoxy-2-methylpropene(CAS DataBase Reference)
• NIST Chemistry Reference: 1-Methoxy-2-methylpropene(17574-84-4)
• EPA Substance Registry System: 1-Methoxy-2-methylpropene(17574-84-4)

Safety Data

• Hazardous Substances Data: 17574-84-4(Hazardous Substances Data)

Usage

Physical state

Colorless liquid

Odor

Sweet, ether-like

Usage

Intermediate in production of chemicals, polymers, pharmaceuticals, and insecticides; solvent for resins, oils, and waxes

Flammability

Flammable, requires caution during handling

Reactivity

Violent reactions with strong oxidizing agents, incompatible with strong acids and bases

Safety precautions

Proper handling and storage to avoid potential health hazards and flammability risks

Upstream product

• 41632-89-7 isobutyraldehyde dimethyl acetal 
• 113163-98-7 Methyl-[2-methyl-prop-(E)-ylidene]-oxonium 
• 856066-94-9 2-Methoxy-3,3-dimethyl-4,6-diphenyl-3,4-dihydro-2H-pyran 
• 36024-53-0 trans-1-methoxy-2-methylcyclopropane 
• 36024-53-0 cis-1-methoxy-2-methylcyclopropane 
• 23230-91-3 2-methyl-3,3-dimethoxy-1-propene 

Downstream Products

• 38383-77-6 methyl N-tosylisobutyrimidate 
• 51334-68-0 1,1-dichloro-2-methoxy-3,3-dimethylcyclopropane 
• 75814-47-0 1,1-dibromo-20methoxy-3,3-dimethylcyclopropane 
• 135711-07-8 5,5-dimethyl-4-hydroxy-6-methoxy-7-(p-chlorophenylthio)heptene-1 
• 6581-57-3 cis- and trans-2,6-Dimethoxytetrahydropyran 
• 73739-61-4 1,1,3,7,7-pentamethoxy-2,2-dimethyl-heptane 
• 54573-19-2 4,4-dimethyl-5-methoxy-2-(4-chlorophenyl)-2-oxazoline 
• 104-12-1 p-chlorphenylisocyanate 
• 619-56-7 4-chlorobenzamide 
• 5602-96-0 methyl p-tolylcarbamate 
• 93628-72-9 5-Methoxy-4,4-dimethyl-2-p-tolyl-4,5-dihydro-oxazole 
• 622-58-2 p-Tolylisocyanate 
• 107696-99-1 trans-2,2-dimethyl-3-(p-tolylsulfonyl)cyclopropyl methyl ether 
• 107696-99-1 cis-2,2-dimethyl-3-(p-tolylsulfonyl)cyclopropyl methyl ether 

Relevant articles and documents

METHOD FOR PRODUCING UNSATURATED ETHER COMPOUND

The present invention provides a method for producing an unsaturated ether compound represented by general formula (2) below, the method comprising reacting an acetal represented by general formula (1) below in the presence of an aliphatic or aromatic sulfonic acid and an organic base having a total carbon number of 3 to 7. (In the formulae, R1, R2, and R3 may be the same or different and each represent substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl, or R1 and R2 form cycloalkyl together with the adjacent carbon atom.)

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.