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469548

Sigma-Aldrich

1,1,1-Trifluor-5,5-dimethyl-2,4-hexandion

98%

Synonym(e):

PTA, Pivaloyltrifluoraceton

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About This Item

Lineare Formel:
(CH3)3CCOCH2COCF3
CAS-Nummer:
22767-90-4
Molekulargewicht:
196.17
EG-Nummer:
245-211-0
MDL-Nummer:
MFCD00040841
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24870464
NACRES:
NA.22

Assay

98%

Brechungsindex

n20/D 1.407 (lit.)

bp

138-141 °C (lit.)

Dichte

1.129 g/mL at 25 °C (lit.)

SMILES String

CC(C)(C)C(=O)CC(=O)C(F)(F)F

InChI

1S/C8H11F3O2/c1-7(2,3)5(12)4-6(13)8(9,10)11/h4H2,1-3H3

InChIKey

BVPKYBMUQDZTJH-UHFFFAOYSA-N

Angaben zum Gen

mouse ... Mtap(66902)

Verwandte Kategorien

Allgemeine Beschreibung

1,1,1-Trifluoro-5,5-dimethyl-2,4-hexanedione (TFDMHD) is a 1,3-diketone. It forms Er(3+) complexes. These complexes shows thermally activated slow relaxation of magnetization under a zero direct-current (DC) field.

Anwendung

1,1,1-Trifluoro-5,5-dimethyl-2,4-hexanedione (TFDMHD) may be used in the synthesis of series of NNO ketoimines bearing trifluoromethyl substituents, via Schiff base condensation. It may be used in the synthesis of octahedral Werner-type cobalt(II) complexes. It was used in the preparation of D2-TFDMHD, by mixing with D2O.

Piktogramme

Flame
GHS02

Signalwort

Warning

H-Sätze

H226

Gefahreneinstufungen

Flam. Liq. 3

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 3

Flammpunkt (°F)

105.8 °F - closed cup

Flammpunkt (°C)

41 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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The magnetic properties of two similar Er(3+) complexes have been investigated. [Er(tpm)3(bipy)] (Htpm = 1,1,1-trifluoro-5,5-dimethyl-2,4-hexanedione and bipy = 2,2'-bipyridine) displays thermally activated slow relaxation of magnetisation under a zero direct-current (DC) field. Under an applied HDC field of 1000 G
Conformation, molecular structure, and intramolecular hydrogen bonding of 1, 1, 1-trifluoro-5, 5-dimethyl-2, 4-hexanedione.
Vakili M, et al.
Journal of Molecular Structure, 1021, 102-111 (2012)
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