329517
2,6,6-Trimethyl-2-cyclohexene-1,4-dione
98%
Sinônimo(s):
4-Oxoisophorone, Ketoisophorone
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About This Item
Fórmula empírica (Notação de Hill):
C9H12O2
Número CAS:
Peso molecular:
152.19
Beilstein:
2207030
Número CE:
Número MDL:
Código UNSPSC:
12352100
ID de substância PubChem:
NACRES:
NA.22
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Nível de qualidade
Ensaio
98%
Formulário
solid
índice de refração
n20/D 1.491 (lit.)
p.e.
222 °C (lit.)
92-94 °C/11 mmHg (lit.)
pf
26-28 °C (lit.)
grupo funcional
ketone
cadeia de caracteres SMILES
CC1=CC(=O)CC(C)(C)C1=O
InChI
1S/C9H12O2/c1-6-4-7(10)5-9(2,3)8(6)11/h4H,5H2,1-3H3
chave InChI
AYJXHIDNNLJQDT-UHFFFAOYSA-N
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Descrição geral
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.
Palavra indicadora
Warning
Frases de perigo
Declarações de precaução
Classificações de perigo
Skin Sens. 1
Código de classe de armazenamento
10 - Combustible liquids
Classe de risco de água (WGK)
WGK 1
Equipamento de proteção individual
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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Description of volatile compounds generated by the degradation of carotenoids in paprika, tomato and marigold oleoresins.
Rios JJ, et al.
Food Chemistry, 106(3), 1145-1153 (2008)
Worldwide market screening of saffron volatile composition.
Maggi L, et al.
Journal of the Science of Food and Agriculture, 89(11), 1950-1954 (2011)
Stefano Raimondi et al.
Journal of biotechnology, 156(4), 279-285 (2011-09-22)
Old yellow enzymes (OYEs, EC 1.6.99.1) are flavin-dependent oxidoreductases that catalyze the stereoselective trans-hydrogenation of the double bond, representing a promising alternative to metal-based catalysis. Bioconversion of ketoisophorone (KIP) by 28 non-conventional yeasts belonging to 16 different species was investigated.
Mohamed-Elamir F Hegazy et al.
Zeitschrift fur Naturforschung. C, Journal of biosciences, 63(5-6), 403-408 (2008-08-02)
Stereospecific olefin (C=C) and carbonyl (C=O) reduction of the readily available prochiral compound ketoisophorone (2,2,6-trimethyl-2-cyclohexene-1,4-dione) (1) by Marchantia polymorpha and Nicotiana tabacum cell suspension cultures produce the chiral products (6R)-levodione (2), (4R,5S)-4-hydroxy-3,3,5-trimethylcyclohexanone (3), and (4R,6R)-actinol (4) as well as the
Marta Goretti et al.
Bioresource technology, 102(5), 3993-3998 (2011-01-15)
The bioreduction of α,β-unsaturated ketones (ketoisophorone, 2-methyl- and 3-methyl-cyclopentenone) and aldehydes [(S)-(-)-perillaldehyde and α-methyl-cinnamaldehyde] by 23 "non-conventional" yeasts (NCYs) belonging to 21 species of the genera Candida, Cryptococcus, Debaryomyces, Hanseniaspora, Kazachstania, Kluyveromyces, Lindnera, Nakaseomyces, Vanderwaltozyma, and Wickerhamomyces was reported. The
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