Citric acid (TCI C1949, CAS 77-92-9) is a widely used organic compound in laboratory settings. As a fundamental chemical building block, it plays a crucial role in the synthesis of various compounds and is commonly employed in chemical reactions that require a low pH environment. Its versatility makes it an essential component in both research and industrial applications. Citric acid is frequently utilized in organic synthesis, pH adjustment, and as a natural preservative in experimental procedures. Its chemical stability and solubility in water make it a reliable and consistent material for laboratory use.
One of the key reasons citric acid is preferred is its solubility in water and its acidic nature, which allows it to effectively regulate pH levels in solutions. It is also chemically stable and does not degrade easily under normal storage conditions, ensuring long-term reliability. Additionally, citric acid is non-toxic and relatively safe to handle, making it an environmentally friendly choice for laboratory work. These properties contribute to its widespread use in both academic and industrial laboratories.
In Indonesian laboratories, citric acid is commonly used in research settings, particularly in chemistry and pharmaceutical studies. It is a staple in pH adjustment, organic synthesis, and as a preservative in various chemical experiments. Its availability and cost-effectiveness make it a popular choice among researchers and technicians working in both academic and industrial environments.
- pH adjustment in chemical reactions where a low pH environment is required for optimal reaction conditions.
- Organic synthesis as a reagent or acid source in the preparation of various organic compounds.
- Natural preservative in experiments involving aqueous solutions to prevent microbial growth.
- Crystal growth and precipitation processes due to its ability to control solution pH and solubility.
- Buffering agents in biochemical experiments to maintain stable pH levels during reactions.
| Brand | TCI |
|---|---|
| CAS number | 77-92-9 |
| Molecular formula | — |
| Purity | — |
| Category | Chemistry > Building Blocks > Non-Heterocyclic Building Blocks |
| Pack sizes | Available in various quantities as per supplier specifications |
| Physical form | White crystalline powder |
| Storage | Store in a cool, dry place away from moisture and direct sunlight |
Citric acid should be stored in a cool, dry place, away from moisture and direct sunlight to maintain its chemical stability. It is recommended to use airtight containers to prevent exposure to humidity, which could affect its solubility and purity. As a water-soluble compound, it should be kept in a location that minimizes contact with water vapor. Proper labeling of containers is essential for safe handling. In laboratory settings, it is important to wear appropriate personal protective equipment, such as gloves and safety goggles, when handling citric acid. Its non-toxic nature makes it relatively safe, but care should still be taken to avoid inhalation of fine particles or skin contact.
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