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ZIRCONIUM IODIDE

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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
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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)
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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

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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? .

ZIRCONIUM IODIDESupplier

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