| Identification | More | [Name]
ZIRCONIUM IODIDE | [CAS]
13986-26-0 | [Synonyms]
ZIRCONIUM IODIDE
ZIRCONIUM(IV) IODIDE
ZIRCONIUM TETRAIODIDE
Zirconium iodide (ZrI4)
zirconiumiodide(zri4)
ZrI4
Zirconiumiodidereddishbrownpowder
Zirconium(IV)iodide(99.5%-Zr)
ZIRCONIUM(IV) IODIDE: 99.5%
Zirconium(IV) tetraiodide | [EINECS(EC#)]
237-780-9 | [Molecular Formula]
I4Zr | [MDL Number]
MFCD00049641 | [Molecular Weight]
598.84 | [MOL File]
13986-26-0.mol |
| Chemical Properties | Back Directory | [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. | [Hydrolytic Sensitivity]
7: reacts slowly with moisture/water | [Sensitive ]
Air & Moisture Sensitive | [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) |
| Hazard Information | Back Directory | [Chemical Properties]
orange crystal(s); fumes heavily in air; cub, a=1.179nm [KIR84] [MER06] | [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.
| [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? . |
| Safety Data | Back Directory | [Hazard Codes ]
C | [Risk Statements ]
R34:Causes burns. | [Safety Statements ]
S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S27:Take off immediately all contaminated clothing .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [RIDADR ]
UN 3260 8/PG 2
| [WGK Germany ]
3
| [TSCA ]
No | [HazardClass ]
8 | [PackingGroup ]
III |
|
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