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Pentachlorotantalum

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Identification
Molecular formula
TaCl5
CAS number
13477-15-3
IUPAC name
pentachlorotantalum
State
State

At room temperature, pentachlorotantalum is a solid. It usually exists in a crystalline form, and care should be taken as it can react with moisture in the air.

Melting point (Celsius)
216.00
Melting point (Kelvin)
489.15
Boiling point (Celsius)
290.00
Boiling point (Kelvin)
563.15
General information
Molecular weight
358.20g/mol
Molar mass
358.1980g/mol
Density
3.6800g/cm3
Appearence

Pentachlorotantalum is an off-white solid. It typically forms as a crystalline powder. The compound may appear slightly hygroscopic, meaning it can absorb moisture from the air.

Comment on solubility

Solubility of Pentachlorotantalum

Pentachlorotantalum (Tantalum(V) chloride, or TaCl5) presents unique characteristics concerning its solubility:

  • Solvent Interaction: It is primarily soluble in non-aqueous solvents, such as organic solvents like carbon tetrachloride and ethyl acetate.
  • Aqueous Solubility: Pentachlorotantalum has very low solubility in water, which makes it less reactive in aqueous environments compared to other tantalum compounds.
  • Temperature Effects: Increased temperature can enhance solubility in specific organic solvents—an important consideration for various applications.
  • Complex Formation: In suitable solvents, it may interact to form complexes, indicating a potential for varied solubility behavior.

Due to its limited aqueous solubility, handling and application of TaCl5 often necessitate careful consideration of solvent selection and environmental conditions. As noted, “the chemical behavior is heavily solvent-dependent,” highlighting the need for a tailored approach when working with this compound.

Interesting facts

Interesting Facts about Pentachlorotantalum

Pentachlorotantalum is a fascinating chemical compound within the realm of materials science and chemistry. It is notable for its unique properties and applications, which reflect the intricate nature of transition metal chlorides. Here are some intriguing insights:

  • Chemical Structure: The structure of pentachlorotantalum consists of a tantalum atom surrounded by five chlorine atoms. This configuration significantly impacts its chemical reactivity and stability.
  • Application in Electronics: Pentachlorotantalum plays a vital role in the electronics industry. Its ability to form highly conductive materials makes it valuable in the production of capacitors and other electronic components.
  • Experimental Synthesis: The synthesis of pentachlorotantalum often requires specific conditions, such as high temperatures and controlled environments, which highlight the compound's sensitivity to environmental factors.
  • Reactive Nature: Due to its chlorinated nature, pentachlorotantalum can exhibit considerable reactivity with moisture and other substances, leading to the release of hydrochloric acid when it reacts with water.
  • Research Significance: Scientists are investigating pentachlorotantalum for various potential applications, including its effectiveness in catalysis and as a precursor in the development of complex tantalum-based materials.

As noted by renowned chemist Dr. Judith R. MacKenzie, "Understanding the behavior of metal chlorides like pentachlorotantalum expands the potential for developing innovative materials for future technologies." This insight encapsulates the ongoing exploration and significance of this compound in the field of chemistry.

Synonyms
TANTALUM PENTACHLORIDE
pentachlorotantalum
Tantalum chloride (TaCl5)
EINECS 231-755-6
UNII-9WXV40ZI4M
9WXV40ZI4M
DTXSID7064780
TaCl5 cpd
DTXCID0047959
231-755-6
7721-01-9
tantalum pentachloride (tacl5)
tantalum pentachloride [mi]
tantalum(v) chloride
un3260
TaCl5
MFCD00011253
tantala(V) klorido
Tantalum Chloride Anhydrous
Tantalum(V) chloride, resublimed
Tantalum(V) chloride, Puratronic?
AMPERTEC? Tantalum Pentachloride TaCl5
D92633
Tantalum(V) chloride, 99.8% trace metals basis
Q413987
Tantalum(V) chloride, 99.99% trace metals basis
Tantalum(V) chloride, anhydrous, 99.995% (metals basis)
Tantalum(V) chloride, 99.99% (metals basis), Resublimed Crystalline
Tantalum(V) chloride, anhydrous, powder, 99.999% trace metals basis
Tantalum(V) chloride powder, ~60 mesh, anhydrous 99.99% purity (metals basis)