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1,2-Benzothiazole

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Identification
Molecular formula
C7H5NS
CAS number
95-15-8
IUPAC name
1,2-benzothiazole
State
State

At room temperature, 1,2-benzothiazole is usually a liquid, but it can also be found as a solid if slightly cooled. It does not evaporate quickly, making it a relatively stable substance under standard conditions.

Melting point (Celsius)
-2.00
Melting point (Kelvin)
271.15
Boiling point (Celsius)
227.60
Boiling point (Kelvin)
500.75
General information
Molecular weight
135.19g/mol
Molar mass
135.1870g/mol
Density
1.2424g/cm3
Appearence

1,2-Benzothiazole is typically a pale yellow to colorless liquid or crystalline solid. Its appearance can vary slightly depending on the purity and specific conditions, but it is generally recognized by its light color and is somewhat oily in nature.

Comment on solubility

Solubility of 1,2-benzothiazole

1,2-benzothiazole, with the chemical formula C7H5N1S1, is a heterocyclic compound characterized by its intriguing solubility properties. As a member of the benzothiazole family, it exhibits variable solubility depending on several factors:

  • Polarity: The polar nature of the benzothiazole ring can affect its interaction with different solvents.
  • Solvent Type: It is generally insoluble in water due to its hydrophobic characteristics but shows increased solubility in organic solvents such as:
    • Alcohols (e.g., ethanol)
    • Aromatics (e.g., benzene)
    • Chlorinated solvents (e.g., chloroform)
    • Dimethyl sulfoxide (DMSO)

Moreover, temperature plays a crucial role in the solubility of 1,2-benzothiazole; as the temperature increases, its solubility in organic solvents tends to improve.
It’s noteworthy that in various chemical applications, altering the pH of the solution can also influence the solubility, particularly when ionization occurs.

In summary, the solubility of 1,2-benzothiazole can be succinctly described as:

  1. Insoluble in water
  2. Soluble in organic solvents
  3. Dependent on temperature and solvent characteristics

Understanding these solubility aspects is pivotal for practitioners working with this compound in diverse fields such as pharmaceuticals, agrochemicals, and materials science.

Interesting facts

Interesting Facts About 1,2-Benzothiazole

1,2-benzothiazole is an intriguing heterocyclic compound that has garnered interest in various scientific fields due to its unique structural features and versatile applications. As a combination of benzene and thiazole, this compound presents a fusion of aromaticity and nitrogen-sulfur components, making it a fascinating subject for chemists.

Key Characteristics

  • Versatility: 1,2-benzothiazole serves as a core structure for a variety of derivatives, which can alter its properties and functions. This versatility extends its applicability in different fields.
  • Biological Significance: Some derivatives of 1,2-benzothiazole exhibit notable biological activities, including antimicrobial and anticancer properties, making them potential candidates for drug development.
  • Industrial Applications: This compound is utilized in the manufacturing of rubber accelerators and can serve as a vibrant dye in textile industries.
  • Analytical Chemistry: Its unique spectroscopic properties allow for its use in analytical chemistry, particularly in fluorescence spectroscopy.

Fun Facts

  • 1,2-benzothiazole is a member of the benzothiazole family, which includes other interesting variants such as 2-aminobenzothiazole.
  • The compound has a deep-rooted history in the study of organic chemistry, often serving as a model compound in theoretical studies.
  • Its derivatives have been explored in the development of new materials, such as photonic devices and sensors.

As chemists explore the properties and potential applications of 1,2-benzothiazole, they continue to unveil more about this captivating compound. The blend of its chemical structure and the diverse range of its applications highlights the importance of such compounds in enabling advancements across various scientific domains.

Synonyms
1,2-BENZISOTHIAZOLE
Benzo[d]isothiazole
272-16-2
1,2-benzothiazole
benzisothiazole
CCRIS 6347
271-61-4
9-THIA-8-AZABICYCLO[4.3.0]NONA-1,3,5,7-TETRAENE
DTXSID7074290
benzisothiazoline
MFCD00270827
Benzisothiazole-1,2
1,2-benzisothiazoles
1,2-benzisothiazolin
1-Thia-2-azaindene
SCHEMBL22858
SCHEMBL2216418
DTXCID7037636
CHEBI:55505
AKOS006273079
BS-50812
CS-0155958
D83233
F9994-0101