Citric Acid (CAS 77-92-9) – Wholesale & Research Grade
Citric acid is a tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. It has a role as a food acidity regulator, a chelator, an antimicrobial agent, a fundamental metabolite and a calcium chelator. It is a conjugate acid of a citrate(1-) and a citrate anion.
Research Context
Citric acid, a naturally occurring organic acid found in citrus fruits, has gained significant attention in various research applications across multiple fields, particularly in food science, pharmaceuticals, and biochemistry. One of its primary uses is as a preservative and flavoring agent in the food industry, where it enhances the taste of products while preventing spoilage. Additionally, citric acid is employed in the pharmaceutical sector for its role as a stabilizing agent in drug formulations, improving the solubility and bioavailability of certain medications.
Mechanism of Action
The mechanism of action of citric acid is multifaceted. In the context of food preservation, it lowers the pH of products, creating an environment unfavorable for microbial growth. In biochemistry, citric acid is a key intermediate in the Krebs cycle, facilitating cellular respiration and energy production in living organisms. Its chelating properties allow it to bind metal ions, which is useful in applications ranging from detoxification processes to enhancing the efficacy of various therapeutic agents.
Solubility and Storage Advice
Citric acid is highly soluble in water, making it easy to incorporate into aqueous formulations. It is also soluble in alcohol, which expands its applications in various solvents. For optimal storage, citric acid should be kept in a cool, dry place, away from moisture and incompatible substances. Airtight containers are recommended to prevent degradation and contamination.
Future Research Directions
Looking ahead, research on citric acid is poised to expand, particularly in the fields of sustainable chemistry and green processing. Innovations in biotechnological applications, such as the use of citric acid in biodegradable polymers and as a biopesticide, are gaining traction. Additionally, exploring its potential in personalized medicine and functional foods could lead to novel therapeutic strategies and enhanced health benefits. Continued investigation into its diverse roles may yield significant advancements across various scientific disciplines.
| CAS Number | 77-92-9 |
|---|---|
| Formula | C6H8O7 |
| Mol. Weight | 192.12 g/mol |
| IUPAC Name | 2-hydroxypropane-1,2,3-tricarboxylic acid |
| Grade | HPLC ≥98% |
Synthesis & Storage
Citric Acid is supplied as a lyophilized powder to ensure stability during transit.
For long-term storage of CAS 77-92-9, we recommend maintaining at -20°C.
Researchers must reconstitute this peptide with bacteriostatic water or sterile solvent only when ready for use.
Quality Control: All batches undergo rigorous HPLC purity testing (≥98%) prior to dispatch from our USA fulfillment center.