rhodium

• ChemBase ID: 136763
• Molecular Formular: Rh
• Molecular Mass: 102.9055
• Monoisotopic Mass: 102.905504
• SMILES: [Rh]
• Canonical SMILES: [Rh]
• InChI: InChI=1S/Rh
• InChIKey: MHOVAHRLVXNVSD-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: rhodium
• IUPAC Traditional name: rhodium
• Synonyms: Rhodium(III) nitrate solution; Rh/Al2O3; Rhodium on activated charcoal; Rhodium(III) nitrate solution; Rhodium internal ICP-MS Standard Fluka; Rhodium powder, -325 mesh; Rhodium, plasma standard solution, Specpure®, Rh 1000 g/ml; Rhodium, plasma standard solution, Specpure®, Rh 10,000 g/ml; Rhodium 10%; Rhodium, AAS standard solution, Specpure®, Rh 1000 g/ml; Rhodium slug; Rhodium foil, 0.5mm (0.02in) thick; Rhodium foil, 0.25mm (0.01in) thick; Rhodium powder, -22 mesh, Premion®; Rhodium powder, -60 mesh; Rhodium foil, 0.025mm (0.001in) thick; Rhodium foil, 0.1mm (0.004in) thick; Rhodium wire, 1.0mm (0.04in) dia; Rhodium wire, 0.25mm (0.01in) dia; Rhodium sponge, -20 mesh; Rhodium wire, 0.127mm (0.005in) dia; Rhodium nanoparticles entrapped in aluminum hydroxide matrix preparation; Rhodium on alumina; Rhodium on carbon; Rhodium; Rhodium black; Rhodium; Rhodium(III) chloride solution; Rhodium standard for AAS; 硝酸铑(III) 溶液; 活性炭负载铑; 硝酸铑(III) 溶液; 铑 ICP-MS 内标 Fluka 标准品; 铑粉, -325 目; 铑, 等离子标准溶液, Specpure®, Rh 1000μg/ml; 铑, 等离子标准溶液, Specpure®, Rh 10,000μg/ml; 铑10%; powder; 铑, AAS标准溶液, Specpure®, Rh 1000 μg/ml; 铑柱; 铑箔, 0.5mm (0.02in) 厚; 铑箔, 0.25mm (0.01in) 厚; 铑粉, -22 目, Premion®; 铑粉, -60目; 铑箔, 0.025mm (0.001in) 厚; 铑箔, 0.1mm (0.004in) 厚; 铑丝, 1.0mm (0.04in) 直径; 铑丝, 0.25mm (0.01in) 直径; 海绵状铑, -20 目; 铑丝, 0.127mm (0.005in) 直径; 包埋在氢氧化铝基质中的铑纳米粒子 制备; 氧化铝负载铑; 碳负载铑; 铑; 铑黑; 铑; 氯化铑(III) 溶液; 铑 AAS 标准溶液

Database IDs

• CAS Number: 7440-16-6
• EC Number: 231-595-7; 215-691-6; 231-125-0
• MDL Number: MFCD00011201; MFCD03792580
• PubChem SID: 24885497; 24888138; 24852747; 24852383; 24884639; 24861906; 24883254; 24852382; 24856792; 24858717; 162231032; 24852239; 24856218; 24856219; 24888141; 24845638; 24885589; 24861890
• PubChem CID: 23948

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• Log P: 0.0
• Molar Refractivity: 0.0 cm^3
• Polarizability: 4.909084 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true
• LogD (pH = 5.5): 0.0
• LogD (pH = 7.4): 0.0

PROPERTIES

Physical Property

• Apperance: ≈0.16g/m; ≈0.2g/25x25mm, not certified pinhole free; ≈0.61g/m; ≈0.78g/25x25mm; ≈1.94g/25x25mm; ≈2.5g/piece; ≈3.88g/25x25mm; ≈9.74g/m; Bead; Black powder; foil; liquid; Liquid; pellets; powder; Powder, 40-200 mesh; sponge; wire
• Melting Point: 1966 °C(lit.)
• Boiling Point: 3727 °C(lit.)
• Density: 1.41 g/mL at 25 °C; 12.41 g/cm3(lit.)
• Resistivity: 4.33 μΩ-cm, 20°C

Safety Information

• RTECS: VI9069000
• European Hazard Symbols: Corrosive (C); Flammable (F); X; Irritant (Xi)
• UN Number: 1789; 2031; 3089; UN1325; UN1789; UN3089
• German water hazard class: 1; 2; 3
• Hazard Class: 4.1; 8
• Packing Group: 2; 3; II; III
• Risk Statements: 11; 11-36/37/38; 20-37; 34; 35; 36; 36/38; 37
• Safety Statements: 16-22-24/25; 22-38; 23-26-36/37/39-45; 26; 26-37-60; 9-36
• TSCA Listed: 是
• GHS Pictograms: GHS02; GHS05; GHS07
• GHS Signal Word: Danger; Warning
• GHS Hazard statements: H228; H228-H315-H319-H335; H314-H335; H315-H319; H319; H332-H335; H335
• GHS Precautionary statements: P210; P210-P241-P280-P240-P370+P378A; P210-P241-P305+P351+P338-P302+P352-P405-P501A; P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P261-P304+P340-P312-P405-P403+P233-P501A; P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; dust mask type N95 (US), Eyeshields, Gloves; Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1789 8/PG 3; UN 2031 8/PG 2; UN 3089 4.1/PG 2

Product Information

• Purity: ≥99.9%; 0.5% on 3mm (0.12in) alumina pellets; 1% on alumina powder, reduced; 1% on Polyethyleneimine/SiO; 5% on activated carbon powder, Type C101038-5, reduced, nominally 50% water wet; 5% on alumina powder, reduced; 5% rhodium (Rh) basis (based on dry substance); 99.8% (metals basis); 99.9% (metals basis); 99.9% trace metals basis; 99.95% (metals basis); 99.95% trace metals basis; 99.97% (metals basis), precious metals typically <20ppm each; Palladium 1% on activated carbon powder
• Concentration: ~10 % (w/w) (Rh in >5 wt. % HNO3); 1.000 g/L Rh; 10 mg/kg Rh in nitric acid; in hydrochloric acid
• Grade: puriss.
• Particle Size: 3.2 mm
• Contains: ~50% water as stabilizer
• Shelf Life: (limited shelf life, expiry date on the label)
• Extent of Labeling: 0.5 wt. % loading; 5 wt. % dry loading; 5 wt. % loading; 5 wt. % loading (dry basis)
• Matrix: alumina support; carbon, wet support
• Quality: moistened with water
• Diameter: 0.5 mm; 1.0 mm
• Thickness: 0.025 mm; 0.1 mm
• Weight: Unit excludes wt. of H2O
• Linear Formula: Rh(NO3)3; Rh/AlO(OH)
• Empirical Formula (Hill Notation): Rh

DETAILS

Sigma Aldrich - 643149

Application
Useful reagent for the converstion of nitriles to primary amines, and the hydrogenation of aromatic rings, pyridines, aldehydes and sugars.
Packaging
10, 50 g in glass bottle

Sigma Aldrich - 357146

Quantity
120 mg = 5 cm; 600 mg = 25 cm

Sigma Aldrich - 212857

Application
Active catalyst under mild conditions for hydrogenation of unsaturated compounds including aldehydes, ketones, and aromatic carbocyclic and heterocyclic structures; high stereospecificity and low hydrogenolytic activity.
Packaging
1, 5, 25 g in glass bottle

Sigma Aldrich - 357340

Packaging
190 mg in rigid mailer
Quantity
190 mg = 25 × 25 mm

Sigma Aldrich - 206172

Packaging
25 g in glass bottle

Sigma Aldrich - 204218

Packaging
1 g in glass bottle

Sigma Aldrich - 679488

Packaging
1 g in glass bottle
Application
Supported Rh nanoparticle catalyst.1Used for promoting photocatalytic hydrogen production2Catalyst for:
• CO oxidation3
• Electrocatalytic applications4
• Arene hydrogenation5

Sigma Aldrich - 83713

Packaging
5 g in glass bottle

Sigma Aldrich - 309206

Packaging
2, 10 mL in glass bottle

Sigma Aldrich - 206164

Packaging
1, 5, 25 g in glass bottle

Sigma Aldrich - 680710

Packaging
1, 5 g in glass bottle

Sigma Aldrich - 267376

Quantity
750 mg = 25 × 25 mm

Sigma Aldrich - 663468

Application
Catalyst for hydrogenation of unsaturated compounds including aldehydes, ketones, andaromatic carbocyclic and heterocyclic structures; high stereospecificity and low hydrogenolytic activity".
Packaging
1, 5, 25 g in poly bottle

Sigma Aldrich - 267368

Packaging
1 g in glass bottle
250 mg in glass bottle

Sigma Aldrich - 04026

Preparation Note
prepared with Rh(NO3)3 and HNO3 (～0.5 M)

Sigma Aldrich - 83722

Preparation Note
prepared with RhCl3 and HCl (~1 M)

Sigma Aldrich - 277916

Packaging
1 g in rigid mailer
Quantity
200 mg = 2 cm; 1 g = 10 cm

REFERENCES

• Useful catalyst for hydrogenation of tetrasubstituted alkenes conjugated to a carbonyl group: Synlett, 117 (1997).