The word "sulphoindigotic acid" is an organic compound used in biochemistry research. Its spelling may be confusing for some, but the IPA phonetic transcription can help explain its pronunciation. It is spelled /sʌlfoʊɪndɪˈɡɑtɪk ˈæsɪd/, with emphasis on the second syllable of "indigotic" and the first syllable of "acid". The use of "ph" instead of "f" in "sulpho" is due to British English spelling. Overall, the pronunciation may seem complex, but with practice, it can become easier to understand and say correctly.
Sulphoindigotic acid is a chemical compound commonly used in analytical chemistry and pharmaceutical industries. Its chemical formula is C16H12N2O9S2, and it is classified as a sulfonated indigo derivative.
Sulphoindigotic acid is a dark blue powder that is soluble in water. It is derived from the naturally occurring plant pigment called indigo and is obtained through various chemical processes. It is known for its strong affinity to proteins and can be used as a protein stain in molecular biology and biochemistry experiments.
In analytical chemistry, sulphoindigotic acid is used as an indicator in acid-base titrations. It acts as a pH-sensitive dye, changing color in response to changes in acidity or alkalinity of a solution. This property makes it useful in determining the endpoint of a titration process.
Furthermore, in the pharmaceutical industry, sulphoindigotic acid can be employed in medicinal preparations as a coloring agent. It has been used in the production of certain oral medications to provide an attractive appearance and facilitate easy identification.
Overall, sulphoindigotic acid plays a vital role in various scientific fields due to its distinct properties and versatility. Its tinting capability, pH sensitivity, and protein affinity make it an essential component in biochemistry, pharmaceuticals, and analytical chemistry.
Sulphindigotic acid.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "sulphoindigotic acid" is derived from the combination of several components:
1. "Sulpho": This term refers to sulfur or sulphur, an element known for its yellow color and odor. It comes from the Latin word "sulphur".
2. "Indigo": This word refers to a blue pigment that is derived from plants, particularly the indigofera plant. The term "indigo" is ultimately derived from the Greek word "indikon", meaning "Indian dye".
3. "Tic": The suffix "tic" is commonly used in chemistry to indicate that a compound is an acid or contains acid groups.
4. "Acid": This term is derived from the Latin word "acidus", meaning sour. It is used in chemistry to refer to compounds that have a sour taste and the ability to react with bases.