Hafnium(IV) chloride

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Hafnium(IV) chloride

Product Name: Hafnium(IV) chloride
CAS No.: 13499-05-3
Chemical Name: Hafnium(IV) chloride
Synonyms: HfCl4;HAFNIUM TETRACHLORIDE;HAFNIUM CHLORIDE;Hafnium chloride(HfCl4);1.0% Zr);0.05% Zr);JACS-13499-05-3;Hafnium(IV) chL;Tetrachlorohafnium;Hafniumtetrachlorid
CBNumber: CB0731544
Molecular Formula: Cl4Hf
Formula Weight: 320.3
MOL File: 13499-05-3.mol

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Hafnium(IV) chloride Property

Melting point:: 432 °C (lit.)
Boiling point:: 315.47°C (estimate)
Density: 1.89 g/cm3
vapor pressure: 1 mm Hg ( 190 °C)
storage temp.: Inert atmosphere,Room Temperature
solubility: Soluble in methanol and acetone.
form: Powder
color: White
Water Solubility: Soluble in water, methanol and acetone.
Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
Sensitive: Moisture Sensitive
Merck: 14,4588
Exposure limits: ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
InChIKey: PDPJQWYGJJBYLF-UHFFFAOYSA-J
CAS DataBase Reference: 13499-05-3(CAS DataBase Reference)
EPA Substance Registry System: Hafnium chloride (HfCl4), (T-4)- (13499-05-3)

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Safety

Hazard Codes: C
Risk Statements: 34
Safety Statements: 26-36/37/39-45
RIDADR: UN 3260 8/PG 2
WGK Germany: 3
F: 9-21
TSCA: Yes
HazardClass: 8
PackingGroup: II
HS Code: 28273985

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H290May be corrosive to metals

H314Causes severe skin burns and eye damage

Precautionary statements

P234Keep only in original container.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 258202
Product name: Hafnium(IV) chloride
Purity: 98%
Packaging: 10g
Price: $40.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: 258202
Product name: Hafnium(IV) chloride
Purity: 98%
Packaging: 50g
Price: $120
Updated: 2024/03/01

Alfa Aesar

Product number: 011834
Product name: Hafnium(IV) chloride, 98+% (metals basis excluding Zr), Zr <2.7%
Packaging: 2.5g
Price: $19.1
Updated: 2023/06/20

Alfa Aesar

Product number: 011834
Product name: Hafnium(IV) chloride, 98+% (metals basis excluding Zr), Zr <2.7%
Packaging: 25g
Price: $62.9
Updated: 2023/06/20

Strem Chemicals

Product number: 72-0751
Product name: Hafnium(IV) chloride, sublimed grade (99.9+%-Hf, <1.0% Zr)
Packaging: 10g
Price: $70
Updated: 2024/03/01

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Hafnium(IV) chloride Chemical Properties,Usage,Production

Chemical Properties

Hafnium(IV) chloride is the inorganic compound with the formula HfCl4. This colourless solid is the precursor to most hafnium organometallic compounds. It has a variety of highly specialized applications, mainly in materials science and as a catalyst.

Physical properties

White monoclinic crystal; sublimes at 317°C; melts at 432°C at 33 atm (triple point); critical temperature 452.5°C; critical pressure 53.49 atm; critical volume 314 cm3/mol.

Uses

Hafnium tetrachloride is an important intermediate in production of hafnium metal. It also is used to prepare many hafnium compounds.

Uses

Hafnium chloride tetrahydrofuran complex is an efficient catalyst for the Diels-Alder cycloadditions, Ziegler-Natta polymerization of alkenes. It is used as control rods in nuclear reactors and in manufacture of light bulb filaments.

Uses

Hafnium (IV) chloride can be used to catalyze the direct ester condensation of carboxylic acids with alcohols effectively.

Preparation

Hafnium(IV) chloride can be prepared
(i) by chlorination of hafnium dioxide in the presence of carbon:
HfO₂ + 2Cl₂ + C → HfCl₄ + 2CO
It also may be prepared by several other methods, such as
(ii) reaction of carbon tetrachloride with hafnium dioxide above 450°C;
(iii) heating a mixture of hafnium dioxide and carbon above 700°C;
and (iv) reaction of chlorine with hafnium at elevated temperatures.

Reactions

Hafnium(IV) chloride hydrolyzes, evolving hydrogen chloride:
HfCl4 + H2O→ HfOCl2+ 2 HCl
Aged samples thus often are contaminated with oxychlorides, which are also colourless.
THF forms a monomeric 2:1 complex:
HfCl4+ 2 OC4H8→HfCl4(OC4H8)2

Flammability and Explosibility

Non flammable

Solubility in organics

Soluble in methanol, acetone, reacts strongly with water, highly hygroscopic, hydrolyzes in water.

Structure and conformation

This group 4 halide contains hafnium in the +4 oxidation state. Solid Hafnium(IV) chloride is a polymer with octahedral Hf centers. Of the six chloride ligands surrounding each Hf centre, two chloride ligands are terminal and four bridge to another Hf centre.

Hafnium(IV) chloride Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Hafnium(IV) chloride manufacturers

Hebei Saisier Technology Co., LTD

Product: HAFNIUM CHLORIDE 13499-05-3
Price: US $6.00/KG
Min. Order: 25KG
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-04-02

Hebei Jingbo New Material Technology Co., Ltd

Product: Hafnium(IV) chloride 13499-05-3
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1000000
Release date: 2024-01-05

WUXI HONOR SHINE CHEMICAL CO.,LTD

Product: HAFMIUM TETRACHLORIDE Electrical grade 13499-05-3
Price: US $0.00/Kg/Drum
Min. Order: 10Kg/Drum
Purity: 99.5%
Supply Ability: 300tons
Release date: 2022-06-10

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HAFNIUM CHLORIDE 13499-05-3

13499-05-3

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Metal and Ceramic Science

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metal halide