| Identification | More | [Name]
Rhodium trichloride | [CAS]
10049-07-7 | [Synonyms]
RHODIUM(+3)CHLORIDE
RHODIUM CHLORIDE
RHODIUM(III) CHLORIDE
RHODIUM TRICHLORIDE
rhodium(iii)chloride(1:3)
rhodiumchloride(rhcl3)
(III) RHODIUM (III) CHLORIDE HYDRATE
Rhodium ( Ⅲ) chloride
Rhodium(III)chlorideanhydrous
Rhodium(III) chloride, anhydrous, 48.6-49.2% Rh
RHODIUM CHLORIDE REAGENT
RHODIUM (III) CHLORIDE 99.9%
Rhodium(III) Chloride, Anhydrous, Rh 49.2%
Rhodium(III) chloride, anhydrous, 99.9% (metals basis), Rh 48.7% min
Rhodium (III) Chloride, Rh 49.2%
Rhodium(III) chloride hydrate, Rh content ca 40%
Rhodium(III) trichloride | [EINECS(EC#)]
233-165-4 | [Molecular Formula]
Cl3Rh | [MDL Number]
MFCD00011204 | [Molecular Weight]
209.26 | [MOL File]
10049-07-7.mol |
| Chemical Properties | Back Directory | [Appearance]
Rhodium trichloride is a red-brown or black,
odorless solid or liquid | [Melting point ]
450 °C | [Boiling point ]
717 °C (730 mmHg) | [density ]
5.38
| [storage temp. ]
Inert atmosphere,Room Temperature | [solubility ]
insoluble in H2O; soluble in alkaline solutions | [form ]
Powder | [color ]
Red-brown | [Water Solubility ]
Insoluble in water. Soluble in hydroxide and cyanide solutions. | [Crystal Structure]
AlCl3 type | [Sensitive ]
Hygroscopic | [crystal system]
Monoclinic | [Merck ]
14,8188 | [Space group]
C2/m | [Lattice constant]
| a/nm | b/nm | c/nm | α/o | β/o | γ/o | V/nm3 | | 0.603 | 1.03 | 0.595 | 90 | 109.2 | 90 | 0.349 |
| [Exposure limits]
ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 0.1 mg/m3 | [Stability:]
hygroscopic | [Major Application]
PEM fuel cells
homogeneous catalyst
material synthesis precursor | [InChI]
InChI=1S/3ClH.Rh/h3*1H;/q;;;+3/p-3 | [InChIKey]
SONJTKJMTWTJCT-UHFFFAOYSA-K | [SMILES]
[Rh](Cl)(Cl)Cl | [Uses]
Manufacture of rhodium trifluoride.
| [CAS DataBase Reference]
10049-07-7(CAS DataBase Reference) | [EPA Substance Registry System]
10049-07-7(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
GHS07 | [Signal word ]
Warning | [Hazard statements ]
H302 | [Precautionary statements ]
P301+P312+P330 | [Hazard Codes ]
Xn | [Risk Statements ]
R22:Harmful if swallowed.
R41:Risk of serious damage to eyes. | [Safety Statements ]
S36/39:Wear suitable protective clothing and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S24:Avoid contact with skin . | [WGK Germany ]
3
| [RTECS ]
VI9275000
| [F ]
21 | [TSCA ]
Yes | [HazardClass ]
8 | [HS Code ]
28439000 | [Storage Class]
11 - Combustible Solids | [Hazard Classifications]
Acute Tox. 4 Oral | [Safety Profile]
Poison by ingestion, intraperitoneal, and intravenous routes. Experimental reproductive effects. Questionable carcinogen with experimental carcinogenic data. Mutation data reported. Incompatible with pentacarbonyl iron + zinc. When heated to decomposition it emits toxic fumes of Cl-. See also RHODIUM and CHLORIDES | [Toxicity]
LD50 in rats (mg/kg): 198 i.v. (Landolt) |
| Hazard Information | Back Directory | [Hazard]
Toxic by ingestion. | [Potential Exposure]
Rhodium trichloride is used in hydro-
silylation, hydrogenation, carbonylation, oxidation, aryla-
tion. See also “Rhodium Metal.” In plating operations and
in catalyst preparation, the metal will be used as the
trichloride. | [First aid]
Move victim to fresh air. Call 911 or emergency
medical service. Give artificial respiration if victim is not
breathing. Do not use mouth-to-mouth method if victim
ingested or inhaled the substance; give artificial respira-
tion with the aid of a pocket mask equipped with a one-way
valve or other proper respiratory medical device.
Administer oxygen if breathing is difficult. Remove and
isolate contaminated clothing and shoes. In case of contact
with substance, immediately flush skin or eyes with run-
ning water for at least 20 minutes. For minor skin contact,
avoid spreading material on unaffected skin. Keep victim
warm and quiet. Effects of exposure (inhalation, ingestion,
or skin contact) to substance may be delayed. Ensure that
medical personnel are aware of the material(s) involved
and take precautions to protect themselves. Medical obser-
vation is recommended for 24 to 48 hours after breathing
overexposure, as pulmonary edema may be delayed. As
first aid for pulmonary edema, a doctor or authorized para-
medic may consider administering a drug or other inhala-
tion therapy. | [Shipping]
UN3260 Corrosive solid, acidic, inorganic, n.o.s.,
Hazard class: 8; Labels: 8-Corrosive material, Technical
Name Required. | [Incompatibilities]
Sensitive to humidity. Incompatible with
oxidizers (chlorates, nitrates, peroxides, permanganates,
perchlorates, chlorine, bromine, fluorine, etc.); contact may
cause fires or explosions. Keep away from alkaline materi-
als, strong bases, strong acids, oxoacids, and epoxides. | [Description]
Rhodium trichloride is a red-brown or black,odorless solid or liquid. Molecular weight = 209.26; 263.32(trihydrate); Boiling point = 775℃ (sublimes); Freezing/Melting point = 400-500℃(decomposition). HazardIdentification (based on NFPA-704 M Rating System):Health 3, Flammability 0, Reactivity 1. Insoluble in water.Rhodium trichloride trihydrate, RhCl3 - xH2O, is a deep-redcrystalline solid. Soluble in water. | [Chemical Properties]
black crystalline powder | [Chemical Properties]
Rhodium trichloride is a red-brown or black,
odorless solid or liquid | [Waste Disposal]
Recovery and reclaiming
wherever possible in view of high economic value. See
“Rhodium Metal.” | [Physical properties]
Brownish-red powder; deliquescent; decomposes on heating at 450 to 500°C; sublimes at 800°C; insoluble in water, water-solubility, however, depends on the method of preparation; soluble in alkali hydroxide or cyanide solutions; soluble in aqua regia
The trihydrate is a dark red powder; deliquescent; loses water at 100°C; very soluble in water; soluble in alcohol and hydrochloric acid; insoluble in ether. | [Application]
Rhodium(III) chloride precursor may be used to dope graphene with Rh nanoparticles to prepare hybrids for electrocatalysis in energy, sensing and biomedical sectors. It can be used to prepare [Rh(NH3)6]Cl3. | [Preparation]
Rhodium trichloride is prepared by heating rhodium with chlorine gas at 250°C:
2Rh + 3Cl2 → 2RhCl3
Also, the chloride salt may be obtained by treating the yellow hydrous oxide, Rh2O3?5H2O, with hydrochloric acid. The solution is carefully evaporated to form a dark red and water-soluble salt, rhodium trichloride tetrahydrate, RhCl3?4H2O. Heating the tetrahydrate in a stream of hydrogen chloride gas at 180°C forms the anhydrous salt, RhCl3. | [Reactions]
Catalyst in conjunction with "pybox" for the asymmetric hydrosilylation of ketones.
C-C bond forming reactions.
 | [reaction suitability]
reagent type: catalyst
core: rhodium | [storage]
Color Code—White: Corrosive or ContactHazard; Store separately in a corrosion-resistant location.Prior to working with this chemical you should be trainedon its proper handling and storage. Store in tightly closedcontainers in a cool, well-ventilated area away from strongoxidizers. Where possible, automatically transfer materialfrom drums or other storage containers to processcontainers. | [Purification Methods]
Probable impurities are KCl and HCl. Wash the chloride well with small volumes of H2O to remove excess KCl and KOH and dissolve it in the minimum volume of conc HCl. Evaporate it to dryness on a steam bath to give wine-red coloured RhCl3.3H2O. Leave it on the steam bath until the odour of HCl is lost-do not try to dry further as it begins to decompose above 100o to the oxide and HCl. It is not soluble in H2O but soluble in alkalis or CN solutions and forms double salts with alkali chlorides. [Anderson & Basolo Inorg Synth VII 214 1963.] |
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