Difference between revisions of "Caffeine"
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== Description == | == Description == | ||
| − | A bitter-tasting alkaloid compound that occurs naturally in [http://cameo.mfa.org/materials/fullrecord.asp?name=tea | + | A bitter-tasting alkaloid compound that occurs naturally in [http://cameo.mfa.org/materials/fullrecord.asp?name=tea%20leaves tea] and [http://cameo.mfa.org/materials/fullrecord.asp?name=coffee coffee]. Caffeine acts as a mild stimulant when ingested. It is prepared synthetically from [http://cameo.mfa.org/materials/fullrecord.asp?name=uric%20acid uric acid]. Caffeine acts as a natural [http://cameo.mfa.org/materials/fullrecord.asp?name=pesticide pesticide] as it often paralyzes and kills insects upon ingestion. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | caffein; mateine; guaranine; Koffein (Dan., Deut., Nor., Sven.); Coffein (Dan., Deut.); | + | caffein; mateine; guaranine; Koffein (Dan., Deut., Nor., Sven.); Coffein (Dan., Deut.); cafeína (Esp.); teína (Esp.); caféine (Fr.); caffeina (It.); cafeïne (Ned.); coffeïne (Ned.); kofeina (Pol.); cafeína (Port.); |
[[[SliderGallery rightalign|aaiCAFFIENE.jpg~FTIR|Caffeinef5.jpg~Chemical structure]]] | [[[SliderGallery rightalign|aaiCAFFIENE.jpg~FTIR|Caffeinef5.jpg~Chemical structure]]] | ||
Revision as of 07:27, 24 July 2013
Description
A bitter-tasting alkaloid compound that occurs naturally in tea and coffee. Caffeine acts as a mild stimulant when ingested. It is prepared synthetically from uric acid. Caffeine acts as a natural pesticide as it often paralyzes and kills insects upon ingestion.
Synonyms and Related Terms
caffein; mateine; guaranine; Koffein (Dan., Deut., Nor., Sven.); Coffein (Dan., Deut.); cafeína (Esp.); teína (Esp.); caféine (Fr.); caffeina (It.); cafeïne (Ned.); coffeïne (Ned.); kofeina (Pol.); cafeína (Port.);
Other Properties
Soluble in water (pH of 1% sollution = 6.9)
| Composition | C8H10N4O2 |
|---|---|
| CAS | 58-08-2 |
| Melting Point | 238 |
| Density | 1.2 |
| Molecular Weight | 194.19 |
| Boiling Point | 178 (sublimes) |
Hazards and Safety
Excessive use may cause restlessness, insomnia, tremors, headaches, irritability, and irregular heartbeat.
Science Stuff: MSDS
Additional Images
Caffeine
Authority
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998