Products

2,6,6-Trimethyl-2-cyclohexene-1,4-dione

Product Introduction

2,6,6-Trimethyl-2-cyclohexene-1,4-dione Basic information

Product Name:	2,6,6-Trimethyl-2-cyclohexene-1,4-dione
Synonyms:	2,2,6-trimethyl-2-cyclohexene-1,4-dione (cetoisophorone);2,2,6-trimethylcyclohex-2-en-1,4-dione (4-oxo-isophorone);2,6,6-Trimethy-2-cyclohexene-1,4-dione (4-oxoisophorone);4-dione,2,6,6-trimethyl-2-Cyclohexene-1;KETOISOPHORONE;FEMA 3421;4-OXOISOPHORON;4-OXOISOPHORONE
CAS:	1125-21-9
MF:	C9H12O2
MW:	152.19
EINECS:	214-406-2
Product Categories:	Inhibitors;ketone Flavor
Mol File:	1125-21-9.mol

2,6,6-Trimethyl-2-cyclohexene-1,4-dione Chemical Properties

Melting point	26-28 °C (lit.)
Boiling point	222 °C (lit.) 92-94 °C/11 mmHg (lit.)
density	1.03
refractive index	n20/D 1.491(lit.)
FEMA	3421 \| 2,6,6-TRIMETHYLCYCLOHEX-2-ENE-1,4-DIONE
Fp	201 °F
storage temp.	Sealed in dry,2-8°C
solubility	Chloroform (Slightly), Ethyl Acetate (Slightly)
color	Pale Yellow to Yellow
Odor	at 1.00 % in dipropylene glycol. musty woody sweet tea tobacco leaf
Odor Type	musty
JECFA Number	1857
BRN	2207030
LogP	0.76
CAS DataBase Reference	1125-21-9(CAS DataBase Reference)
NIST Chemistry Reference	2,6,6-Trimethyl-2-cyclohexene-1,4-dione(1125-21-9)
EPA Substance Registry System	2-Cyclohexene-1,4-dione, 2,6,6-trimethyl- (1125-21-9)

Safety Information

MSDS Information

Provider	Language
2,6,6-Trimethyl-2-cyclohexene-1,4-dione	English
ACROS	English
SigmaAldrich	English
ALFA	English

2,6,6-Trimethyl-2-cyclohexene-1,4-dione Usage And Synthesis

Chemical Properties	clear yellow to orange liquid or low melting solid
Chemical Properties	2,6,6,-Trimethylcyclohex-2-ene-1,4-dione has a woody, musty sweet aroma.
Occurrence	Reported found among the volatile components in saffron and in cigarette smoke. Also reported found in saffron, cognac, black tea, green tea, microbial fermented tea, lemon balm, cooked shrimp, roasted shrimp, corn oil and lamb's lettuce.
Uses	4-Oxoisophorone is one of the major components of saffron (Crocus sativus L.) and also found to be a product of degradation of carotenoids in paprika, tomato and marigold oleoresins.
Definition	ChEBI: 2,6,6-Trimethyl-2-cyclohexene-1,4-dione is a member of cyclohexenones.
General Description	2,6,6-Trimethyl-2-cyclohexene-1,4-dione is also known as 4-ketoisophorone and is the major component of saffron spice. It is a cyclic olefin and was reported as a product of the thermal degradation of β-carotene in aqueous suspension.