Nickel(II) bis(2,2,6,6-tetramethyl-3,5-heptanedionate)

Nickel(II) bis(2,2,6,6-tetramethyl-3,5-heptanedionate) - Names and Identifiers

Name	nickel(ii) bis(2,2,6,6-tetramethyl-3,5-heptanedio
Synonyms	ni(tmhd)2 NICKEL TMHD [Nickel(II) thd] BistetramethylheptanedionatonickelIIImin NickeltetramethylheptanedionateNickelTMHD NICKEL (2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATE) Nickel(Ii)Bis(2,2,6,6-Tetramethyl-3,5-Heptanedio nickel(ii) bis(2,2,6,6-tetramethyl-3,5-heptanedio NICKEL (II) 2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATE Bis(2,2,6,6-Tetramethyl-3,5-Heptanedionato)Nickel(Ii) BIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)NICKEL(II) NICKEL(II) BIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATE) Nickel(II) bis(2,2,6,6-tetramethyl-3,5-heptanedionate) BIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANE-DIONATO)NICKEL(III) Nickel(II)2,2,6,6-tetramethyl-3-5-heptanedionate (Nickel TMHD) nickel(2+) bis[(3Z)-2,2,6,6-tetramethyl-5-oxohept-3-en-3-olate]
CAS	14481-08-4 41749-92-2
InChI	InChI=1/2C11H20O2.Ni/c21-10(2,3)8(12)7-9(13)11(4,5)6;/h27,12H,1-6H3;/q;;+2/p-2/b2*8-7-

Nickel(II) bis(2,2,6,6-tetramethyl-3,5-heptanedionate) - Physico-chemical Properties

Molecular Formula	C22H38NiO4
Molar Mass	425.23
Melting Point	219-223°C(lit.)
Boling Point	90-110°C/0.1mm
Flash Point	90-110°C/0.1mm subl.
Vapor Presure	0.00138mmHg at 25°C
Appearance	crystal
Color	purple
Exposure Limit	NIOSH: IDLH 10 mg/m3; TWA 0.015 mg/m3
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Stability	hygroscopic

Nickel(II) bis(2,2,6,6-tetramethyl-3,5-heptanedionate) - Risk and Safety

Risk Codes	R45 - May cause cancer R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
Safety Description	S53 - Avoid exposure - obtain special instructions before use. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany	3

Nickel(II) bis(2,2,6,6-tetramethyl-3,5-heptanedionate) - Introduction

nickel(ii) bis(2,2,6,6-tetramethyl-3,5-heptanedio (abbreviated as TMLA nickel)) is an organometallic compound. The following is a description of the properties, uses, methods and safety information of TMLA nickel:

Nature:
1. Chemical formula: C20H32NiO4
2. Appearance: white crystalline solid
3. Solubility: Soluble in organic solvents such as ether, dimethylformamide and methanol, insoluble in water.
4. Melting Point: about 220-225 ° C

Use:
1. TMLA nickel is widely used as a catalyst in organic synthesis. It can be used to catalyze the hydrogenation of ketones, the Grignard reaction of ethylene and ketones and other reactions.
2. The compound can also be used as a synthetic precursor of metal organic framework materials.

Method:
The preparation of TMLA nickel usually uses the following steps:
1. First prepare heptanediol diacid dianhydride (TMLA), which can be obtained by transesterification of heptanediol and formic acid.
2. TMLA reacts with Nickel nitrate (II) in an organic solvent to generate TMLA nickel.

Safety Information:
The safety information related to TMLA nickel is limited, so the following should be noted when using:
1. The compound may produce irritation and sensitivity reaction to human body, avoid direct contact with skin, eyes and respiratory tract.
2. During use and storage, comply with chemical safety practices and use appropriate personal protective equipment (such as gloves, goggles and protective clothing).
3. Avoid contact with oxidants and hygroscopic substances, as this may trigger dangerous reactions.
4. In the waste disposal, please follow the relevant local laws and regulations, the correct disposal of the compound.

Last Update：2024-04-10 22:29:15