Skip to main content

Potassium Terephthalate

ADVERTISEMENT
Identification
Molecular formula
K2C8H4O4
CAS number
1114-00-7
IUPAC name
dipotassium;terephthalate
State
State

Potassium terephthalate is in a solid state at room temperature. It maintains its solid form up to its melting point and does not sublimate or decompose at standard ambient conditions.

Melting point (Celsius)
53.00
Melting point (Kelvin)
326.00
Boiling point (Celsius)
275.00
Boiling point (Kelvin)
548.00
General information
Molecular weight
204.22g/mol
Molar mass
204.2230g/mol
Density
1.8350g/cm3
Appearence

Potassium terephthalate typically appears as a white crystalline solid. It is often found in powder form and may exhibit a granular texture. The compound is stable under normal conditions and does not have any distinctive odor.

Comment on solubility

Solubility of Dipotassium Terephthalate

Dipotassium terephthalate, with the chemical formula K2C8H4O4, exhibits distinct solubility characteristics that are particularly interesting. As a salt derived from terephthalic acid and potassium, it has the following solubility attributes:

  • Water Solubility: Dipotassium terephthalate is generally considered to be soluble in water, especially at elevated temperatures. This property makes it useful in various applications where aqueous solutions are desirable.
  • Temperature Dependence: The solubility can increase with temperature, meaning that more of the compound can dissolve in water as the temperature rises. This is a key consideration in processes that involve heat.
  • pH Sensitivity: The solubility can also be affected by the pH level of the solution. In more alkaline conditions, it may dissolve more readily.
  • Comparative Solubility: Compared to other potassium salts, dipotassium terephthalate may have a different solubility profile, which is significant when considering its usage in different chemical processes.

In summary, the solubility of dipotassium terephthalate is a critical factor in its utilization in various chemical applications. As noted, temperature and pH can greatly influence this property, providing avenues for optimization in its practical use. Understanding these solubility dynamics is essential for chemists working with this compound.

Interesting facts

Interesting Facts about Dipotassium Terephthalate

Dipotassium terephthalate, also known as potassium salt of terephthalic acid, is an intriguing compound with multifaceted applications in various fields. Here are some fascinating insights:

  • Polymer Precursor: Dipotassium terephthalate serves as a vital intermediate or precursor in the synthesis of polyesters, particularly polyethylene terephthalate (PET). This material is widely utilized in the textile and beverage industries, showcasing its versatility.
  • Food Industry Applications: It is often used as a food additive and preservative, contributing to the flavor and stability of certain food products. Its role in maintaining quality standards is crucial in modern food processing.
  • Role in Agriculture: The compound has been explored for its potential use as a fertilizer. Potassium is essential for plant growth, and its presence in dipotassium terephthalate can enhance nutrient delivery to crops.
  • Environmental Considerations: Dipotassium terephthalate is considered to have a relatively low environmental impact when compared to other chemical compounds used in similar applications, making it a more sustainable choice for manufacturers.
  • Research Potential: Scientists are exploring dipotassium terephthalate for its potential in developing new materials and applications, which could revolutionize sectors such as packaging and sustainable products.

Overall, dipotassium terephthalate holds promise beyond its basic chemical properties, engaging researchers and industry professionals alike in the pursuit of innovative applications.

Synonyms
dipotassium terephthalate
dipotassium;terephthalate
terephthalic acid dipotassium salt
13427-80-0
potassium terephthalate
SCHEMBL107909
dipotassium terephthalic acid salt