42348-12-9

Basic information

• Product Name: 3-ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one
• Synonyms: 3-ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one;2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-4-methyl-;3-ETHYL-2-HYDROXY-4-METHYL-2-CYCLOPENTEN-1-ON;4-Methyl-3-ethylcyclopentane-1,2-dione, 98%;3-ETHYL-4-METHYL CYCLOTENE;2-Hydroxy-3-ethyl-4-methyl-2-cyclopentene-1-one;3-Ethyl-2-hydroxy-4-methyl-2-cyclopenten-1-one;3-Ethyl-2-hyudroxy-4-methylcyclopent-2-en-1-one
• CAS NO: 42348-12-9
• Molecular Formula: C₈H₁₂O₂
• Molecular Weight: 140.17968
• EINECS: 255-767-6
• Mol File: 42348-12-9.mol
• Article Data: 2

Chemical Properties

• Boiling Point: 260.5 °C at 760 mmHg
• Flash Point: 108 °C
• Appearance: /
• Density: 1.086 g/cm₃
• Vapor Pressure: 0.00177mmHg at 25°C
• Refractive Index: 1.507
• PKA: 9.18±0.40(Predicted)
• CAS DataBase Reference: 3-ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3-ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one(42348-12-9)
• EPA Substance Registry System: 3-ethyl-2-hydroxy-4-methylcyclopent-2-en-1-one(42348-12-9)

Safety Data

• Hazardous Substances Data: 42348-12-9(Hazardous Substances Data)

Usage

Occurrence

Reported found in coffee.

InChI:InChI=1/C8H12O2/c1-3-6-5(2)4-7(9)8(6)10/h5,10H,3-4H2,1-2H3

Upstream product

• 42348-08-3 Hydroxy-2-methyl-3-vinyl-2-cyclopentanon 
• 109682-71-5 4,5-Dihydroxy-2-methyl-cyclopenta-3,5-diene-1,3-dicarboxylic acid diethyl ester 
• 4933-43-1 5-methyl-2-(1-pyrrolidinyl)-2-cyclopenten-1-one 

Relevant articles and documents

Nazarov-type reactions in water

-