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590592

Sigma-Aldrich

Hafnium(IV) chloride

purified by sublimation, 99.9% trace metals basis

Synonym(s):

Hafnium tetrachloride, Tetrachlorohafnium

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About This Item

Linear Formula:
HfCl4
CAS Number:
13499-05-3
Molecular Weight:
320.30
EC Number:
236-826-5
MDL number:
MFCD00011034
UNSPSC Code:
12352302
PubChem Substance ID:
24881286
NACRES:
NA.23
grade:
for analytical purposes
form:
powder
Pricing and availability is not currently available.

grade

for analytical purposes

vapor pressure

1 mmHg ( 190 °C)

Assay

99.9% trace metals basis

form

powder

purified by

sublimation

impurities

≤1500.0 ppm Trace Metal Analysis

SMILES string

Cl[Hf](Cl)(Cl)Cl

InChI

1S/4ClH.Hf/h4*1H;/q;;;;+4/p-4

InChI key

PDPJQWYGJJBYLF-UHFFFAOYSA-J

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Application

Hafnium(IV) chloride can be used as a catalyst:
  • To synthesize α-aminophosphonates via the one-pot three-component reaction of aldehyde, amine, and phosphite.[1]
  • For the conversion of carbohydrates into 5-hydroxymethylfurfural in ionic liquids.[2]
  • For parallel synthesis of 1,2-disubstituted benzimidazoles from N-substituted phenylenediamines and aldehydes.[3]
It can also be used as:
  • A precursor to prepare hafnium oxide nanoparticles via sol-gel method.[4]
  • A starting material to synthesize bulky guanidinato hafnium(iv) chloridecomplexes.[5]

accessory

Product No.
Description
Pricing

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H290,H314

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Supplementary Hazards

EUH014

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000426334
0000426333
0000426333
0000426334
0000358755

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Hafnium turnings, crystal bar, 99.7% trace metals basis

Sigma-Aldrich

266809

Hafnium

Synthesis and crystal structures of bulky guanidinato zirconium (IV) and hafnium (IV) chloride complexes
Cameron Jones, et al.
Journal of Chemical Crystallography, 42, 866-870 (2012)
Highly efficient synthesis of ?-aminophosphonates catalyzed by hafnium(IV) chloride
Xiao-Chuan Li, et al.
Tetrahedron Letters, 57, 1782-1785 (2016)
Activated carbon supported hafnium (IV) chloride as an efficient, recyclable, and facile removable catalyst for expeditious parallel synthesis of benzimidazoles
Xiao-Chong Peng, et al.
Catalysts, 10, 436-436 (2020)
Catalytic conversion of carbohydrates into 5-hydroxymethylfurfural by Hafnium (IV) chloride in ionic liquids
Zehui Zhang, et al.
Starch, 64, 770-775 (2012)
Hafnium oxide nanoparticles synthesized via sol-gel route for an efficient detection of volatile organic compounds at room temperature
Anamitra Chattopadhyay and Jhasaketan Nayak
Materials Science in Semiconductor Processing, 139 , 106336-106336 (2022)
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