20030-30-2

Basic information

• Product Name: 2,5,6-trimethylcyclohex-2-en-1-one
• Synonyms: 2,5,6-trimethylcyclohex-2-en-1-one;2-Cyclohexen-1-one, 2,5,6-trimethyl-;2,3,6-Trimethylcyclohexen-1-on;TRIMETHYL-(2,5,6)-CYCLOHEX-2-EN-1-ON;2,5,6-TRIMETHYL-2-CYCLOHEXENONE;2,5,6-trimethyl-2-cyclohexen-1-one;Einecs 243-473-0
• CAS NO: 20030-30-2
• Molecular Formula: C₉H₁₄O
• Molecular Weight: 138.20686
• EINECS: 243-473-0
• Mol File: 20030-30-2.mol

Chemical Properties

• Boiling Point: 202.9°Cat760mmHg
• Flash Point: 79°C
• Appearance: /
• Density: 0.896g/cm³
• Vapor Pressure: 0.286mmHg at 25°C
• Refractive Index: 1.451
• CAS DataBase Reference: 2,5,6-trimethylcyclohex-2-en-1-one(CAS DataBase Reference)
• NIST Chemistry Reference: 2,5,6-trimethylcyclohex-2-en-1-one(20030-30-2)
• EPA Substance Registry System: 2,5,6-trimethylcyclohex-2-en-1-one(20030-30-2)

Safety Data

• RIDADR: 1993
• HazardClass: 3.2
• PackingGroup: III
• Hazardous Substances Data: 20030-30-2(Hazardous Substances Data)

Usage

Flammability and Explosibility

Nonflammable

InChI:InChI=1/C9H14O/c1-6-4-5-7(2)9(10)8(6)3/h5-6,8H,4H2,1-3H3

Upstream product

• 123-73-9 trans-Crotonaldehyde 
• 96-22-0 pentan-3-one 
• 1310-73-2 sodium hydroxide 
• 107-89-1 acetaldol 
• 121811-29-8 ethyl 2-methyl-3-oxopentanoate 
• 123-73-9 crotonaldehyde 

Downstream Products

• 1197240-26-8 6-[(⁽²⁾H₃)methyl]-2,5,6-trimethylcyclohex-2-en-1-one 
• 58210-03-0 2,3,6-trimethylcyclohexan-1-ol 

Relevant articles and documents

Preparation of 2,3,6-tri-lower alkyl phenols

Preparation of 2,3,6-tri-lower alkyl phenols from the condensation product of an α,β-unsaturated aldehyde with a dilower alkyl ketone.

Production of 2,3,6-trimethylphenol

A process for the production of 2,3,6-trimethylphenol in which diethyl ketone is reacted in the presence of a basic reagent with crotonaldehyde or methyl vinyl ketone (or a compound which in the presence of a basic reagent is converted into crotonaldehyde or methyl vinyl ketone) and the 2,5,6-trimethyl-2-cyclohexen-1-one or 2,3,6-trimethyl-2-cyclohexen-1-one formed is dehydrogenated.