ZIRCONIUM IODIDE
ZIRCONIUM IODIDE Basic information
- Product Name:
- ZIRCONIUM IODIDE
- Synonyms:
-
- Zirconium(IV)iodide(99.5%-Zr)
- ZIRCONIUM(IV) IODIDE: 99.5%
- Zirconium iodide (ZrI4)
- zirconiumiodide(zri4)
- ZrI4
- ZIRCONIUM IODIDE
- ZIRCONIUM(IV) IODIDE
- ZIRCONIUM TETRAIODIDE
- CAS:
- 13986-26-0
- MF:
- I4Zr
- MW:
- 598.84
- EINECS:
- 237-780-9
- Product Categories:
-
- ZirconiumMetal and Ceramic Science
- Catalysis and Inorganic Chemistry
- Chemical Synthesis
- Crystal Grade Inorganics
- Salts
- Zirconium Salts
- metal halide
- Mol File:
- 13986-26-0.mol
ZIRCONIUM IODIDE Chemical Properties
- Melting point:
- 499°C
- Boiling point:
- 431°C (estimate)
- Density
- 4.85
- storage temp.
- under inert gas (nitrogen or Argon) at 2–8 °C
- solubility
- very soluble in H2O
- form
- powder
- color
- Yellow
- Specific Gravity
- 4.914
- Water Solubility
- Insoluble in water.
- Sensitive
- Air & Moisture Sensitive
- Hydrolytic Sensitivity
- 7: reacts slowly with moisture/water
- Merck
- 14,10178
- Exposure limits
- ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3 - CAS DataBase Reference
- 13986-26-0(CAS DataBase Reference)
- EPA Substance Registry System
- Zirconium iodide (ZrI4) (13986-26-0)
Safety Information
- Hazard Codes
- C
- Risk Statements
- 34
- Safety Statements
- 22-26-27-36/37/39-45
- RIDADR
- UN 3260 8/PG 2
- WGK Germany
- 3
- TSCA
- No
- HazardClass
- 8
- PackingGroup
- III
MSDS
- Language:English Provider:SigmaAldrich
- Language:English Provider:ALFA
ZIRCONIUM IODIDE Usage And Synthesis
Description
Zirconium(IV) iodide, ZrI4, is the most readily available iodide of zirconium. It is an orange-colored solid that degrades in the presence of water. The compound was once renowned as an intermediate in the purification of zirconium metal. This compound is volatile, subliming as intact tetrahedral ZrI4 molecules.
Chemical Properties
orange crystal(s); fumes heavily in air; cub, a=1.179nm [KIR84] [MER06]
Uses
Used in the van Arkel-de Boer refining process.
Preparation
It is prepared by the direct reaction of powdered zirconium metal and iodine. Pyrolysis of zirconium(IV) iodide gas by contact of hot wire was the first industrial process for the commercial production of pure ductile metallic zirconium.
Structure and conformation
Like most binary metal halides, it has a polymeric structure. The compound exists as a polymer consisting of octahedral Zr(IV) centers, each with a pair of terminal iodide ligands and four doubly bridging iodide ligands. The Zr-I distances are 2.692 (terminal) and 3.030 A? .
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