Caffeine Melting Point Standard 58-08-2: Insights from ScienceDirect

From fueling mornings to serving various scientific and industrial purposes, caffeine is one of the compounds that permeate nearly every aspect of modern life. To understand its versatility, comprehending its fundamental properties, such as its melting point, is crucial. The melting point of caffeine with the standard identifier 58-08-2 is not merely a value; it is crucial in the pharmaceutical, food science, and chemistry industries. This property alone dictates how caffeine, and many other compounds, behaves under different situations, affecting their stability, solvability, and usability in other contexts.

Why Melting Points are Important Touching on Caffeine?

Gaining Insight into the Molecule Building Block of Caffeine

Caffeine is often found in a variety of sources ranging from C8H10N4O2 and is an organic compound. As with any other molecule, it consists of carbon, hydrogen, nitrogen, and oxygen arranged in a specific order. It is a part of methylxanthine alkaloid family containing a purine base that is well known from the first onset of genetics as DNA and RNA structure toady. Along with other compounds, it is an entity that has a base of coffee. The pattern of molecules that make up these compound leads to the rest of caffeine’s identity that include several other traits such as solubility in water and its stimulating effects.

Understanding such biomolecular structures enables the researcher to figure out the impacts associated with using caffeine within living organisms accommodating its widespread use in beverages, medicines, and different types of civil goods and services products.

How To Measure the Melting Point of Caffeine with Great Precision?

Measurements concerning the melting point of caffeine should be taken in a restricted environment while using appropriate tools. To guarantee effective outcomes make certain that you start with a hearty unit of caffeine. Employ the use of calibrated melting point apparatus which specializes in the heating and measuring of specific substances.

Be sure to regulate the amount of caffeine you use in the trials as to assure accuracy. Caffeine levels should remain at the same concentration in all trials. Once this is done, place a small amount of the caffeine sample in a capillary tube and insert it into the device. Keep a close watch on the sample while simultaneously increasing the temperature. Make sure to note the point at which the sample transitions from solid to liquid, and record this as the melting point. In order to derive dependable results, the aforementioned steps should be repeated several times in order to get a reasonable average value while maintaining concentration of the caffeine throughout the trials. This further helps eliminate discrepancies due to device malfunction and impurities.

How Caffeine Melting Point Affects Its Solubility

Caffeine melting point is relevant when concerning chemical properties relating to caffeine dissolving. Caffeine at room temperature exists as a solid and not liquid. Caffeine’s solubility in water is rather low. As the temperature increases and nears the melting point around 235 degrees centigrade, the molecular structure of caffeine becomes more active, and therefore more dissolved in solvents such as water.

Various industries use this relationship for caffeine to enhance processes such as extraction and formulation in beverages while pharmaceuticals and other products maximize efficiency through understanding the correlation chai energy drink has with caffeine.

Safety Guidelines: Working With Caffeine in the Laboratory

Cautionary Risks & Prepared Safety Procedures For A Chemical Reaction

1. Put On The Required Protective Equipment (PPE) – Put on gloves, goggles, lab coats and other safety garments that limit skin contact with dangerous chemicals.
2. Perform Work In A Well Ventilated Space – Carry out fumigation in a fume hood or clean laboratory to protect against breathing poisonous vapors.
3. Know The Material Safety Data Sheets (MSDS) – Take time to learn about the features of each chemical that you use and the dangers it poses.
4. Exercise Caution When Dealing With Chemicals – Quantitative and qualitative analysis must be done minutely to avoid all chances of contamination and unwanted interaction of chemicals.
5. Adhere To The Storage Guidelines – Store all chemicals in the right containers in accordance to their identities, such as labeling and for some, their requirements on temperature and light.
6. Ready All Necessary Items For An Emergency – Have readily accessible spill kits, fire extinguishers and eye wash stations. Make sure all users know the emergency procedure.

Recommended Steps for Retaining Thermal Stability

1. Ensure Consistent Monitoring of Temperature – Use calibrated thermometers and temperature sensors to ensure temperatures are kept within the set range.
2. Store Materials Properly– Depending on their thermal requirements, keep substances in temperature controlled environments like cool storage units or insulated containers.
3. Minimize Abrupt Changes in Temperature – Altering temperatures slowly diminishes potential thermal shock, which may destabilize the materials to be worked with.
4. Provide Protective Enclosures – Insulated boxes or thermal jackets help to shield delicate items from temperature changes.
5. Conduct Regular Inspections of Equipment – Check to see if heating or cooling devices are working normally to minimize the chances of being surprised by the temperature change.
6. Abide by Pre-Determined Instructions Relative to the Material – Adhere to certain predetermined guidelines such as those found in the information safety data sheets relative to certain materials on the optimal temperatures of storage and handling.

What Are the Similarities Between Caffeine and Other Compunds: A Comparison

Molecular Similarities and Differences

Caffeine, theophylline, and anhydrous caffeine belong to a structurally identical group known as methylxanthines, which is based on purine. Nonetheless, methyl group substitutions on the xanthine scaffold create different compounds. Lipophilicity of caffeine, which has three methyls, is greater compared to theophylline which has two. Differences in structural features determine their respective stimulant activity, bioavailability, and as well as solubility. Anhydrous caffeine, which is caffeine’s pure, dehydrated state, has the same molecular attributes with caffeine but differs in concentration and form in which it is used. This ultimately affects their pharmacokinetics and how they are utilized across different sectors.

Examining the Pharmacology of Caffeine Versus Other Stimulants

When shifting the conversation to the pharmacology of other stimulants, I am always captivated by carbs selective pharmacology and consider it the strange one in terms of its use and action. The adenosine receptors are the primary target of caffeine’s metabolic action, as it focuses on blocking them. Thanks to this suppressing mechanism, the user does not experience sleepiness and instead, more energy is realized, which is an enormous reason caffeine is one of the most commonly used stimulants around. Caffeine stands out in contrast with stronger stimulants, like amphetamines. Its effect is also much weaker and transient, and importantly, much less likely to create dependence on it when used moderately.

Other stimulants such as cocaine and amphetamines usually facilitate the release or inhibit the reabsorption of dopamine, norepinephrine, or serotonin. These mechanisms lead to heightened euphoria and energy, yet they tend to be more addictive and harmful. For these reasons, caffeine is preferred, as it offers greater stimulation with less risk and is commonly found in coffee and tea.

While caffeine does belong in the same category as the other stronger stimulants, its pharmacological features allow moderate consumption for cognitive and physical arousal without the negative consequences associated with stronger stimulants.

What Do Peer Reviewed Papers Say About Caffeine Melting Point?

Conclusions Within The American Journal of Pharmacology

The American Journal of Pharmacology mentions important innovations in the field of drug development and pharmacological research. The most recent include:

1. Diabetes Research: New paradigms in diabetes classification and their associated complication management.
2. Antiviral Studies: In silico analysis of certain phytochemicals directed at Ebola virus receptor proteins.
3. Cancer Research: Determining the therapeutic potential of breast cancer through calcium influx pathways.
4. COVID-19 Insights: The role of glucocorticoids in treating patients with severe COVID-19 illness.

Examining Caffeine Research From ScienceDirect

1. Neuroprotection: Caffeine’s neuroprotective effects may delay the onset of Alzheimer’s and Parkinson’s disease1.
2. Cognitive and Physical Performance: Low to moderate doses of caffeine enhances alertness and attention and improves physical endurance. It is also useful in lessening cognitive and physical decline associated with sleep deprivation2.
3. Systemic metabolic changes: Caffeine has been shown to induce changes in systemic metabolism, inflammation, and oxidative stress. Moreover, it has been shown to enhance exercise performance by delaying fatigue and improving substrate utilization.

How Does Caffeine Impact the Central Nervous System?

The Physiological Effects of Different Amounts of Caffeine Consumption

Caffeine affects the central nervous system in a different manner for each individual depending on the amount consumed. For low to moderate doses, between 50 – 200 mg, caffeine increases alertness, focus, and diminishes fatigue by blocking adenosine receptors which promotes sleep. For higher doses, approximately 300-400 mg, caffeine can result in further increased alertness, increased heart rate, and possible restlessness. For excessive intake, over 500 mg, coffee can be counter productive which leads to anxiety, irritability, and sleep deprivation. In addition, individual tolerance and sensitivity to caffeine can greatly alter these effects too.

Short- and Long-term Effects of Caffeine Consumption.

Caffeine affects the central nervous system and overall health in both a long and short term manner. In the short term, caffeine increases alertness and cognitive performance while requiring less reaction time. A prime example, caffeine tends to aid in tasks where prolonged concentration is necessary, such as memory consolidation and mental stamina. Furthermore, too much caffeine in the short term can have adverse effects such as jitteriness, headaches, elevated heart rate, and sore stomach.

In regard to chronic caffeine consumption, tolerance might develop over time, which could necessitate more and more caffeine to achieve the same stimulating effects. In addition, chronic overconsumption may lead to caffeine dependence characterized by withdrawal symptoms such as headaches, fatigue, or irritability. On the other hand, moderate and consistent caffeine consumption has been linked to certain positive health outcomes, including reducing the risk of developing neurodegenerative disorders such as Alzheimer’s disease and Parkinson’s disease, potentially due to the antioxidant properties and influencing signaling pathways in the brain.

It is worth mentioning that the long-term safety of caffeine depends on individual specific genetic factors and pre-existing health issues. New data shows that consuming 400 mg a day–about four 8-ounce cups of brewed coffee–is safe for most adults, especially when consumed in moderation. However, sensitive groups such as pregnant individuals, children, and people suffering from heart conditions are advised to be cautious, as there is a risk of elevated blood pressure or disrupted fetal development.

Frequently Asked Questions (FAQ)

Q: What part of pure caffeine (58-08-2) is known to melt?

A: The melting point of pure caffeine (58-08-2) is around 235-238 degrees Celsius. This ranges between 462 and 4607 degrees Fahrenheit. This temperature range is significant in regards to boiling and melting as it is nothing short of extraordinary due to the molecular unit or composition of caffeine. That means the strong bond in intermolecular forces within the caffeine molecule is so strong that it is resistant to melting or boiling and requires lower temperatures to do so.

Q: Compare and contrast Caffeine’s melting point to similar items like theobromine.

A: In relation to other items, caffeine indeed has a higher melting point than theobromine which is yet another xanthine alkaloid that is sourced out of chocolate. Theobromine has a melting point of roughly 181 degrees Celsius or Fahrenheit which is lower than that of Caffeine. Caffeine melts between 235 – 238 which is invariantly higher than that of theobromine.

Q: What are the common uses of caffeine in scientific study undertakings or practices?

A: Caffeine is most commonly used an xonいうんre in scientific study in in vivo and other cellular and molecular scales. Caffeine is also widely studied in relation to its impact in medical solutions for premature infants, especially with caffeine therapy meant for treating apnea of prematurity. Other common uses include determining the amount of caffeine content in a substance which is a common analytic procedure.

Q: How is caffeine metabolized in the human body?

A: The primary place for metabolizing caffeine is in the liver. It has been shown that caffeine metabolizes into multiple metabolites, including paraxanthine, theobromine, and theophylline. How fast caffeine is metabolized is different from person to person because of the genetic factors and other things that may influence it.

Q: What are the potential risks of caffeine intoxication?

A: Caffeine intoxication is likely to occur due to overuse of caffeinated products. It may include mild symptoms of restlessness, increased nervousness, excitement, insomnia, flushed face, diuresis, or even having gastro-intestinal disturbance while, in some more severe instances, risking the chance of experiencing dire health related issues. These are the reasons why there must be caution concerning how products with caffeine added to them must be regulated inorder not to encourage gulible people to risk their health.

Q: How do customers view caffeine-related products on ScienceDirect?

A: Different customers viewed some papers and articles concerning caffeine on ScienceDirect besides the analytical methods and the impact of caffeine in different matrices. Not withstanding,  if certain page is absent (404 error); it could be that it is temporarily out of use or has irreversibly relocated to a different web address.

Q: Where can I find detailed profiles of drug substances like caffeine?

A: As long as industry restrictions are observed, IPR databases, ScienceDirect, and the US Pharmacopeia (USP) contain profiles of drugs such as caffeine. The latter also standardizes data on caffeine as a drug, but, as with all scientific publications, the copyrights are protected.

Reference Sources

1. Title: Eutexia for enhanced dissolution rate and anti‐inflammatory activity of nonsteroidal anti‐inflammatory agents: Caffeine added as a melting point modulator
   • Authors: Rasha A. Alshaikh, E. Essa, G. E. El Maghraby
   • Journal: International Journal of Pharmaceutics
   • Publication Date: 2019-04-09
   • Key Findings:
     • The study presents caffeine as a eutectic forming agent capable of adjusting the melting point of nonsteroidal anti-inflammatory drugs (NSAIDs) while increasing their disolution rate and anti inflammatory activity.
     • The results show that the addition of caffeine improves the drug’s bioavailability and significantly reduces the drug’s melting point.
   • Methodology:
     • Different drug-caffeine eutectic mixtures were made, followed by characterization using melting point determination by differential scanning calorimetry (DSC) and dissolution rate evaluation through solubility studies(Alshaikh et al., 2019, pp. 395–405).
2. Title: Phase Equilibrium in the Caffeine–Paracetamol–Piracetam Triple Condensed System. Study of some Pharmaco-Technological Parameters of the Eutectic Composition
   • Authors: M. L. Tkachenko, L. E. Zhnyakina, A. N. Seryakova, A. Lyamin, S. Sharipova, M. A. Loseva, Yu. V. Moshchensky
   • Journal: Pharmaceutical Chemistry Journal
   • Publication Date: 2022-02-01
   • Key Findings:
     • This study evaluates the thermal melting point depression observed in the eutectic mixtures of caffeine with paracetamol and piracetam, suggesting easier dissolution as well as possible enhanced therapeutic activity.
     • The research noted that the eutectic mixture melting points were considerably lower than those of each particular component.
   • Methodology:
     • The writers performed solubility studies and melting point determination using differential scanning calorimetry (DSC) to evaluate the subdivision of drug interactions within the eutectic system(Tkachenko et al., 2022a, pp. 1250–1253, 2022b, pp. 1250–1253).
3. Title: Mechanical Properties Improvement of Dexibuprofen through Dexibuprofen-Caffeine Co-crystal Formation by Ultrasound assisted Solution Co-crystallization Method
   • Authors: Fikri Alatas, T. H. Sutarna, Raisa Fakhrona Salman, Sundani Nurono Soewandhi [jump to content]
   • Journal: Indonesian Journal of Pharmaceutical Science and Technology
   • Publication Date: 2022-02-02
   • Key Findings:
     • The research examines the co-crystal formation between dexibuprofen and caffeine, which led to changes in melting temperature and increased mechancial properties.
     • The formation of co-crystals was shown to improve the flowability and tabletability of dexibuprofen, rendering it more applicable in the pharmaceutical industry.
   • Methodology:
     • The researchers prepared the co-crystals via co-crystallization under ultrasound assistance and characterized them using x-ray diffraction and thermal analaysis to obtain the properties of their melting points(Alatas et al., 2022).
4. Title: Extraction and Characterization of Caffeine: A Biochemical Compound Contained In Some Locally Consumed Tea Leaves (Camellia Sinensis)
   • Authors: Not specified
   • Publication Date: 2020
   • Key Findings:
     • This study focused on the extraction and characterization of caffeine from different kinds of tea leaves with a melting point of caffeine stated at 237°C.
     • The research outlines the differences in caffeine concentration regarding different processes of tea leaf selection and production.
   • Methodology:
     • The steps of extraction which were carried out includes soaking, evaporation, decantation, filtration and recrystallization. The last step was purity analysis by melting point determination and infra-red spectroscopy(Extraction and Characterization of Caffeine: A Biochemical Compound Contained In Some Locally Consumed Tea Leaves (Camellia Sinensis), 2020).
5. Caffeine
6. Cell (biology)