Difference between revisions of "Caffeine"
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== Description == | == Description == | ||
| − | A bitter-tasting alkaloid compound that occurs naturally in [ | + | A bitter-tasting alkaloid compound that occurs naturally in [[tea leaves|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. |
| − | + | [[File:caffinelarge.jpg|thumb|Caffeine]] | |
== 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]]] | ||
| − | == | + | ==Physical and Chemical Properties== |
Soluble in water (pH of 1% sollution = 6.9) | Soluble in water (pH of 1% sollution = 6.9) | ||
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|- | |- | ||
! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 238 | + | | 238 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.2 | + | | 1.2 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| − | | 178 (sublimes) | + | | 178 C (sublimes) |
|} | |} | ||
| − | == | + | == Risks == |
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| + | * Excessive use may cause restlessness, insomnia, tremors, headaches, irritability, and irregular heartbeat. | ||
| + | * ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=O1728500&productDescription=CAFFEINE+USP%2FFCC+500G&vendorId=VN00033897&countryCode=US&language=en SDS] | ||
| − | == | + | ==Resources and Citations== |
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Latest revision as of 15:14, 11 May 2022
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.);
Physical and Chemical Properties
Soluble in water (pH of 1% sollution = 6.9)
| Composition | C8H10N4O2 |
|---|---|
| CAS | 58-08-2 |
| Melting Point | 238 C |
| Density | 1.2 g/ml |
| Molecular Weight | 194.19 |
| Boiling Point | 178 C (sublimes) |
Risks
- Excessive use may cause restlessness, insomnia, tremors, headaches, irritability, and irregular heartbeat.
- ThermoFisher: SDS
Resources and Citations
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998