155756

2,2,6,6-Tetramethyl-3,5-heptanedione

98%

• Synonym(s): Dipivaloylmethane
• Linear Formula: (CH₃)₃CCOCH₂COC(CH₃)₃
• CAS Number: 1118-71-4
• Molecular Weight: 184.28
• Beilstein/REAXYS Number: 1447269
• EC Number: 214-268-3
• MDL number: MFCD00008848
• UNSPSC Code: 12352100
• PubChem Substance ID: 24849563
• NACRES: NA.22

Properties

• assay: 98%
• form: liquid
• refractive index: n20/D 1.459 (lit.)
• bp: 72-73 °C/6 mmHg (lit.)
• density: 0.883 g/mL at 25 °C (lit.)
• functional group: ketone
• SMILES string: CC(C)(C)C(=O)CC(=O)C(C)(C)C
• InChI: 1S/C11H20O2/c1-10(2,3)8(12)7-9(13)11(4,5)6/h7H2,1-6H3
• InChI key: YRAJNWYBUCUFBD-UHFFFAOYSA-N

Description

General description

2,2,6,6-Tetramethyl-3,5-heptanedione is a bidentate ligand used in the synthesis of stable complexes with lanthanide ions.

2,2,6,6-Tetramethyl-3,5-heptanedioneis a stable, anhydrous reagent. It undergoes O-additions and C-additions. In various reactions, it acts as an air-stable ligand for metal catalysts. Furthermore, it serves as a substrate for heterocycles.

Application

2,2,6,6-tetramethyl-3,5-heptanedione was used in the synthesis of α-aryl-β-diketones and dicyanamidobenzene-bridge diruthenium complex.

2,2,6,6-Tetramethyl-3,5-heptanedione used as a ancillary ligand in the synthesis of orange-emitting iridium(III) complex.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 152.6 °F - closed cup
• flash_point_c: 67 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter