Overview
Folic acid, also known as vitamin B9 or folate, is a water-soluble vitamin essential for numerous biological functions, including DNA synthesis and repair, cell division, and amino acid metabolism. It is widely used as a chemical reagent in pharmaceuticals, food fortification, and biochemical research. Folic acid is particularly important in prenatal health to prevent neural tube defects in developing fetuses. In industrial and laboratory settings, folic acid is valued for its role in biochemical assays and as a supplement in cell culture media. Its stability and solubility properties make it a versatile reagent, though it requires careful handling due to its sensitivity to light and heat.
Physical and Chemical Properties
Folic acid appears as a yellow or orange crystalline powder with a molecular weight of 441.40 g/mol. It has a density of 1.68 g/cm³ and decomposes at approximately 250°C. The compound is slightly soluble in water but dissolves readily in dilute alkali and acid solutions. Key chemical properties include its role as a coenzyme in single-carbon transfers, which is critical for nucleic acid synthesis. Folic acid is sensitive to ultraviolet light and prolonged exposure to high temperatures, which can degrade its efficacy. Proper storage in cool, dry conditions is essential to maintain its stability.
Main Applications
Folic acid is primarily used in the pharmaceutical industry to manufacture supplements and medications aimed at treating folate deficiency and related conditions. It is also a key ingredient in fortified foods, such as cereals and bread, to address nutritional gaps in populations. In biochemical research, folic acid is employed in cell culture media and as a reagent in assays studying DNA synthesis and methylation processes. Its applications extend to animal feed additives, where it supports growth and development in livestock and poultry.
Safety and Storage
Folic acid is generally considered safe when handled properly, but it requires precautions to avoid inhalation or skin contact. Protective equipment, such as gloves and goggles, should be used during handling. The reagent should be stored in a cool, dry place, protected from light and moisture to prevent degradation. In case of accidental exposure, rinse affected areas with plenty of water and seek medical advice if necessary. Proper disposal methods should be followed to minimize environmental impact, adhering to local regulations for chemical waste.
B2B Procurement Guide
When procuring folic acid for industrial or laboratory use, buyers should prioritize suppliers with certifications such as ISO or GMP to ensure product quality. Purity levels, typically ranging from 95% to 99%, should be verified through certificates of analysis. Bulk purchases often come with cost advantages, but storage capacity and shelf life should be considered. Buyers are advised to request samples for testing before large-scale orders and to establish long-term relationships with reliable suppliers to ensure consistent quality and supply.
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