Rhodium(III) chloride , 99.9%(metalsbasis) , 10049-07-7

CAS NO.：10049-07-7

Empirical Formula: Cl3Rh

Molecular Weight: 209.26

MDL number: MFCD00011204

EINECS: 233-165-4

PRODUCT Properties

• 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
• Merck: 14,8188
• crystal system: Monoclinic
• Space group: C2/m
• Lattice constant:
  • a/nm: 0.603
  • b/nm: 1.03
  • c/nm: 0.595
  • α/o: 90
  • β/o: 109.2
  • γ/o: 90
  • V/nm3: 0.349
• Exposure limits: ACGIH: TWA 1 mg/m3; NIOSH: IDLH 100 mg/m3; TWA 0.1 mg/m3
• Stability: hygroscopic
• InChI: InChI=1S/3ClH.Rh/h3*1H;/q;;;+3/p-3
• InChIKey: SONJTKJMTWTJCT-UHFFFAOYSA-K
• SMILES: [Rh](Cl)(Cl)Cl

Description and Uses

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.

Rhodium(III) Chloride is used in homogeneous catalysis, for example in the industrial prodcution of acetic acid. It is used to coat optic fibres and optical mirrors, and for crucibles, thermocouple elements and headlight reflectors. manufacture of rhodium trifluoride.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302
• Precautionary statements: P301+P312+P330
• Hazard Codes: Xn
• Risk Statements: 22-41
• Safety Statements: 36/39-26-24-24/25
• WGK Germany: 3
• RTECS: VI9275000
• F: 21
• TSCA: Yes
• HazardClass: 8
• HS Code: 28439000
• Toxicity: LD50 in rats (mg/kg): 198 i.v. (Landolt)