Rhodium(II) acetate dimer

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Rhodium(II) acetate dimer

Product Name: Rhodium(II) acetate dimer
CAS No.: 15956-28-2
Chemical Name: Rhodium(II) acetate dimer
Synonyms: Rh2(OAc)4;RHODIUM ACETATE DIMER;DIRHODIUM(II) TETRAACETATE;tetrakis(acetato)dirhodium;tetraac;Rh2(CH3CO2)4;Dimer acid rhodium;RHODIUM(11) ACETATE;dirhodiumtetraacetate;rhodiumdiacetatedimer
CBNumber: CB2332600
Molecular Formula: C8H12O8Rh2
Formula Weight: 441.99
MOL File: 15956-28-2.mol

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Rhodium(II) acetate dimer Property

Melting point:: 205 °C
storage temp.: Inert atmosphere,Room Temperature
solubility: Methanol + Water (Slightly)
form: powder
color: Green to dark green
Water Solubility: Soluble in aqueous solution like water. Slightly soluble in ethanol
Hydrolytic Sensitivity: 0: forms stable aqueous solutions
Exposure limits: ACGIH: TWA 0.01 mg/m3
NIOSH: IDLH 2 mg/m3; TWA 0.001 mg/m3
Stability:: Hygroscopic
InChIKey: ANSVJOOIUURYRN-UHFFFAOYSA-N

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Safety

Hazard Codes: Xi
Risk Statements: 36/38
Safety Statements: 37/39-26-15
WGK Germany: 3
RTECS: VI9361000
TSCA: No
HS Code: 28439000

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 209058
Product name: Rhodium(II) acetate dimer
Purity: powder
Packaging: 1g
Price: $534
Updated: 2024/03/01

Sigma-Aldrich

Product number: 209058
Product name: Rhodium(II) acetate dimer
Purity: powder
Packaging: 2g
Price: $1580
Updated: 2024/03/01

TCI Chemical

Product number: R0069
Product name: Rhodium(II) Acetate Dimer
Packaging: 1g
Price: $976
Updated: 2024/03/01

TCI Chemical

Product number: R0069
Product name: Rhodium(II) Acetate Dimer
Packaging: 100mg
Price: $160
Updated: 2024/03/01

Alfa Aesar

Product number: 010560
Product name: Rhodium(II) acetate, dimer, Premion?, 99.99% (metals basis), Rh 46.2% min
Packaging: 0.25g
Price: $270
Updated: 2023/06/20

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Rhodium(II) acetate dimer Chemical Properties,Usage,Production

Chemical Properties

Rhodium(II) acetate dimer is Emerald Green Powder. Soluble in methanol. It is soluble in water, while the relative solubility of copper acetate in water is small.

Uses

Rhodium (II) Acetate Dimer is a effective catalyst for ylide formation and it is also catalyst for cyclopropanation of alkenes, oxidation of alcohols, cyclization reactions involving -diazo carbonyl groups, insertion into C-H and X-H bonds (X-H is NH or SH or OH). More reactive and useful in differentiating ribonucleosides and deoxynucleosides. It is also used in functionalizing fullerenes into polymers. Efficient catalyst for hydrogen transfer from 2-propanol to cyclohexanone and other unsaturated compounds.

Application

Rhodium (II) Acetate Dimer is used in the preparation of molybdenum triisopropylbenzoate isonicotinate which maintains ambivalent properties.

Preparation

Rhodium(II) acetate dimer synthesis: A suspension of 10.0g. of Rh(OH)3.H20 in 400 ml. of glacial acetic acid dissolved upon refluxing for 18 hr. to give a deep emerald-green solution. Most of the acetic acid was evaporated on a steam bath; remaining traces mere removed by heating the residue at 120° for 1hr. The residue was then extracted with boiling acetone until the extract was colorless rather than bluish green. The extract was quickly passed through a fritted glass filter, concentrated on a steam bath to 1/3 its original volume, and placed in the freezing compartment of a refrigerator for 18hr. The resulting large dark green crystals were collected on a filter, washed with small portions of ice-cold acetone, and dried at 110°. When first collected, the product is the weak adduct [Rh(OOCCH3)2(CH3)2C0]2; however, acetone is lost fairly readily at room temperature and immediately in the drying oven; yield, 6.2g. (48%).

Reactions

Catalyst for insertion into C-H and X-H bonds.
Catalyst for Ylide generation.
Doyle Kirmse Reaction of Allylic Sulfides with Diazoalkane.
Claisen rearrangement.
Epoxides from aldehydes.
Synthesis of aziridines from allylic N-tosyloxycarbamates.
Rh/NHC catalyzed direct intermolecular arylation of C-H bonds.
Chiral Bronsted acid-Rh catalyzed three component reactions of diazo compounds with alcohols and imines.
Rh-catalyzed cyclopropenations of ynamides.
Tandem asymmetric aza-Darzens/ring-opening reactions.

Purification Methods

Dissolve 5g of the salt in boiling MeOH (ca 600mL) and filter. Concentrate it to 400mL and chill overnight at ca 0o to give dark green crystals of the MeOH adduct. Concentration of the mother liquors gives a further crop of [Rh(OAc)2]2.2MeOH. The adduct is then heated at 45o in a vacuum for 2hours (all MeOH is lost) to leave the emerald green crystals of the actetate. [Legzdins et al. J Chem Soc (A) 3322 1970.] Alternatively dissolve the acetate in glacial AcOH and reflux for a few hours to give an emerald green solution. Evaporate most of the AcOH on a steam bath, then heat the residue at 120o/1hour. Extract the residue with boiling Me2CO. Filter, concentrate to half its volume and keep at 0o/18hours. Collect the crystals, wash them with ice cold Me2CO and dry them at 110o. It is soluble in most organic solvents with which it forms adducts including Me3N and Me2S and gives solutions with different colours varying from green to orange and red. [UV: Johnson et al. Inorg Chem 2 960 1963, Beilstein 1 H 124.]

Rhodium(II) acetate dimer Preparation Products And Raw materials

Raw materials

Preparation Products

(1R,2R)-N-BOC-1-AMINO-2-PHENYLCYCLOPROPANECARBOXYLIC ACID

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View Lastest Price from Rhodium(II) acetate dimer manufacturers

Hebei Mojin Biotechnology Co., Ltd

Product: Rhodium(II) acetate dimer 15956-28-2
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-09-01

Hebei Guanlang Biotechnology Co., Ltd.

Product: Rhodium(II) acetate dimer 15956-28-2
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2021-08-27

henan kanbei chemical co.,ltd

Product: Rhodium(II) acetate dimer 15956-28-2
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1000kg
Release date: 2022-09-20

15956-28-2, Rhodium(II) acetate dimerRelated Search:

DILINOLEIC ACID Sodium acetate Diisopropylammonium dichloroacetate Vinyl acetate Rhodium Ethyl acetate Rhodium acetate POLY(VINYL ACETATE) Rhodium(II) octanoate dimer Rhodium(III) Chloride Silver acetate Hydrazine acetate YTTERBIUM(III) ACETATE HYDRATE Cupric acetate monohydrate PEG4-tert-butyl acetate Zinc acetate Ammonium acetate Potassium Acetate

tetrakis-(mu-acetato)dirhodium

Rhodium(Ⅱ) acetate dimer ,99% [anhydrous, 46% Rh]

Rhodium(II) acetate dimer dihydrate,Dirhodium tetraacetate, Tetrakis(acetato)dirhodium(II)

Rhodium(II) acetate dimer,Dirhodium tetraacetate, Tetrakis(acetato)dirhodium(II)

tetrakis[mu-(acetato-O:O')]dirhodium

RHODIUM(II) ACETATE DIMER, POWDER

RHODIUM(II) ACETATE DIMER, 99.99+% METALS BASIS

RhodiuM(II) acetate diMer, anhydrous, ca 46% Rh 1GR

RhodiuM(II) acetate diMer, anhydrous, ca 46% Rh 250MG

RhodiuM(II) acetate diMer,98% Rh2(OAc)4

Dirhodium(II) Tetraacetate Tetrakis(acetato)dirhodium(II)

RhodiuM(Ⅱ) acetate diMer, anhydrous, 46% Rh

Rhodium(Ⅱ) acetate dimer

Rhodium(II) acetate dimer dihydrate, 98+%

tetraac

Rhodium(II) acetate dimer, 99%, anhydrous, 46% Rh

12.Rhodium(II) Acetate Dimer

TETRAKIS(ACETATO)DIRHODIUM(II)

tetrakis[micron-(acetato-o:o')]dirhodium

RHODIUM ACETATE DIMER

RHODIUM(II) ACETATE DIMER

dirhodiumtetraacetate

rhodiumdiacetatedimer

tetraacetatodirhodium

tetrakis(acetato)dirhodium

tetrakis(mu-acetato)di-rhodiu

RhodiuM(Ⅱ) acetate diMer, 42% Rh, Product of UMicore

DIRHODIUM(II) TETRAACETATE

RhodiuM, tetrakis[M-(acetato-kO:kO')]di-, (Rh-Rh)

Rh2(OAc)4

Rhodium(II) acetate dimer 99.99% trace metals basis

Rh2(CH3CO2)4

Rhodium(II) acetate dimer (46.5% Rh) for synthesis

Rhodium(II) acetate, dimer, Rh 46.2% min.

RHODIUM(II) ACETATE DIMER DIHYDRATE, ~43 % RH

Rhodium(II)acetatedimeredihydrate

Rhodium(II) acetate dimer, anhydrous, ca 46% Rh

Rhodium(II)acetatedimer,99%

Rhodium, tetrakis.mu.-(acetato-.kappa.O:.kappa.O)di-, (Rh-Rh)

RHODIUMACETATEDIMER,ANHYDROUS

RHODIUM(II) ACETATE DIMER , (43%RH)

TETRAKIS(ACETATO)DIRHODIUM(LL)HYDRATE

RHODIUM(11) ACETATE

Rhodium(II)acetate dimer rhodium(ii) acetate dimer

TETRAKIS[.MU.-(ACETATO-.KAPPA.O:.KAPPA.O'')]DI-RHODIUM

Rhodium(II) Acetate Dimer, Rh 46.6%

Tetrakis(acetato) rhodium (II) –2-hydrat

Rhodium(II) acetate, dimer, 98+%

Rhodium(II) acetate, dimer, Premion(R), 99.99% (metals basis), Rh 46.2% min

Rhodium, tetrakis[μ-(acetato-κO:κO')]di-, (Rh-Rh)

Rhodium(II) acetate dimer ISO 9001：2015 REACH

Dimer acid rhodium

RHODIUM (II) ACETATE DIMER For Synthesis

tetraacetate rhodium(2+)

15956-28-2

15956-28-9

15965-28-2

RhCO2CH322