Caffeine anhydrous powder (CAS: 58-08-2) is the crystalline dehydrated form of caffeine. Unlike natural caffeine in tea or coffee, it is highly concentrated and stable, making it an essential laboratory reagent.
CristalChem supplies Caffeine Anhydrous Powder 99% – buy now at CristalChem with safe worldwide delivery to Ireland, UK, Canada, Australia, Spain, New Zealand, Germany, Sweden, Belgium, France, Latvia and the Netherlands.
| Parameter | Value |
|---|---|
| Chemical formula | C8H10N4O2 |
| Molecular weight | 194.19 g/mol |
| Appearance | White crystalline solid |
| Melting point | 235–238 °C |
| Solubility | Soluble in hot water, ethanol, chloroform |
Anhydrous caffeine is a reference compound in HPLC, UV-Vis, IR and NMR analyses.
Universities use caffeine crystalline powder to teach crystallisation and solubility, often comparing it with caffeine extracted from natural sources.
High-purity caffeine is studied under controlled laboratory conditions to understand alkaloid metabolism.
For related reagents see:
Caffeine crystalline powder is a laboratory reagent, supplied under REACH/CLP guidelines.
Requires WHMIS-compliant SDS in Canada and Safe Work Australia documentation in Australia.
Laboratories in Ireland, Germany, Spain, France, Netherlands, Sweden, Belgium, Latvia and New Zealand regularly import caffeine crystalline reagent for research use.
➡ PubChem – Caffeine
➡ ChemSpider – Caffeine
➡ NIST Chemistry WebBook – Caffeine
➡ ChEBI – Caffeine
➡ ECHA – Substance Info Caffeine
CristalChem guarantees safe worldwide delivery with compliance and full documentation.
Laboratory workers use gloves, goggles and protective clothing. Work is conducted in ventilated spaces to avoid inhalation of fine powder.
🧪 Classic experiment
Compare the melting point of caffeine extracted from tea leaves with high-purity caffeine anhydrous powder.
👉 Result: impurities in the crude extract lower and broaden the melting range. This is a classic teaching experiment in organic analysis classes.
💡 Scientific curiosity
Crystalline caffeine is sometimes used in NMR laboratories as a quick calibration standard. It is stable and produces consistent signals, making it ideal for instrument checks.
💡 Practical tip
Always store caffeine anhydrous powder in tightly sealed, dry containers. Even slight humidity can cause clumping, leading to weighing errors and inconsistent experimental results.
💡 Extra fact
The molecular structure of caffeine resembles purines (adenine and guanine). This similarity explains why it competes with adenosine in biological systems, blocking its receptors and producing a stimulating effect. In research, this property is useful for modeling ligand–receptor interactions.
Yes, caffeine crystalline reagent is legal for laboratory and R&D use.
You can buy caffeine anhydrous powder online directly at CristalChem in 100 g to 1 kg packs.
➡ Caffeine Anhydrous Powder 99% – buy now at CristalChem
Yes, CristalChem supplies caffeine Ireland, caffeine UK, caffeine Canada and caffeine Australia, with safe worldwide delivery.
CristalChem offers high-purity caffeine crystalline powder (≥99%) for R&D.
Caffeine anhydrous crystalline powder (CAS: 58-08-2) is a stable, high-purity laboratory reagent widely used in education, spectroscopy and biochemical studies.
CristalChem provides caffeine crystalline reagent for sale with guaranteed safe worldwide delivery to Ireland, UK, EU, Canada, Australia and beyond.
➡ Caffeine Anhydrous Powder 99% – buy now at CristalChem
Chemical Research Writer at CristalChem Academy. Passionate about chemistry, R&D, and turning laboratory insights into global wellness and industrial innovations.
