Rhodium (1,5-cyclooctadiene)-2,4-pentanedionate

Rhodium (1,5-cyclooctadiene)-2,4-pentanedionate - Names and Identifiers

Name	(acetylacetonato)(1,5-cyclooctadiene)-rhodium(I)
Synonyms	rhodium rhodium NSC 240030 pentane-2,4-dione Acetylacetonato(1,5- (1Z,5Z)-cycloocta-1,5-diene Acetylacetonato(1,5-Cyclooctadiene)Rhodium(I) (1-methyl-3-oxoniumylidene-butylidene)oxonium (Acetylacetonato)(1,5-cyclooctadiene)rhodium(I) RHODIUM (1,5-CYCLOOCTADIENE)-2,4-PENTANEDIONATE (Acetylacetonato)(1,5-cyclooctadiene)rhodium(Ⅰ) Rhodium (1,5-cyclooctadiene)-2,4-pentanedionate (acetylacetonato)(1,5-cyclooctadiene)-rhodium(I) (1,5-Cyclooctadiene)rhodium(I) 2,4-pentanedionate (1,5-cyclooctadiene)(2,4-pentanedionato)rhodium(I) ((1,2,5,6-eta)-1,5-cyclooctadiene)(2,4-pentanedionato-o,o')-rhodiu
CAS	12245-39-5
InChI	InChI=1/C8H8.C5H8O2.Rh/c1-2-4-6-8-7-5-3-1;1-4(6)3-5(2)7;/h1-2,7-8H2;3H2,1-2H3;/q-4;;/p+2
InChIKey	WDIAJTWVVLHUJU-SUESZSCISA-N

Rhodium (1,5-cyclooctadiene)-2,4-pentanedionate - Physico-chemical Properties

Molecular Formula	C13H19O2Rh
Molar Mass	310.19
Melting Point	138-140°C(lit.)
Boling Point	153.5°C at 760 mmHg
Flash Point	31.7°C
Vapor Presure	4.25mmHg at 25°C
Appearance	Yellow powder or crystal
Color	Yellow to orange
Exposure Limit	ACGIH: TWA 1 mg/m3NIOSH: IDLH 100 mg/m3; TWA 0.1 mg/m3
Storage Condition	Inert atmosphere,2-8°C
Sensitive	Air Sensitive
MDL	MFCD00075046

Rhodium (1,5-cyclooctadiene)-2,4-pentanedionate - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection
WGK Germany	3
RTECS	VI9292000
TSCA	No
HS Code	28439000

Rhodium (1,5-cyclooctadiene)-2,4-pentanedionate - Introduction

Rhodium (1,5-cyclooctadiene) 2,4-pentanedione, also known as Rh(η ^ 4-C8H12)(CO)2, is an organic coordination compound containing rhodium. Its properties, uses, preparation methods and safety information are as follows:

Nature:
-Appearance: Colorless liquid, can form crystals
-Molecular formula: C10H12O2Rh
-Molecular weight: 288.22g/mol
-Flammability
-Stable in the air

Use:
Rhodium-(1,5-cyclooctadiene) 2,4-pentanedione is often used as a catalyst in organic synthesis. It can catalyze the asymmetric hydrogenation of olefins and cycloolefins to produce chiral compounds.
-The compound can also be used as a catalyst to participate in other organic reactions, such as carbonylation, dehydrogenation, carbonyl addition, etc.

Preparation Method:
Rhodium (1,5-cyclooctadiene) 2,4-pentanedione is usually prepared by adding a mixture of an appropriate amount of (1,5-cyclooctadiene), (CO)5RhCl and a base in an organic solvent (such as alcohol or ether), and reacting under appropriate reaction conditions, such as high temperature and constant pressure.

Safety Information:
- (1,5-cyclooctadiene) Rhodium 2,4-pentanedione is a toxic compound and should be handled with caution. Exposure to the compound may cause irritation to the skin, eyes and respiratory system.
-Wear appropriate personal protective equipment such as gloves, glasses and respirators when used.
-Store away from heat sources and oxidants, and keep the container sealed.

Please note that this is a chemical compound, and correct operation and laboratory safety knowledge are very important for safety and accident prevention. It is strongly recommended that the compound be used or handled under the guidance of an experienced chemical laboratory or professional.

Last Update：2024-04-10 22:29:15