Caffeine+Properties

= Properties of Caffeine - CAS# 58-08-02 = **JMShamberg**

**[Full Marks** **JCB]**

 1) Boiling Point -- predicted at 416.8 °C at 760 mmHg [|ChemSpider] -- sublimes [|MSDS] -- sublimes 90 °C [|CRC Handbook] ([|CRC-Caffeine.jpg]) -- sublime s 178 °C [|Alfa Aesar] --sublimes 160-165 °C - //(The// [|Merk_Index.jpg]) - [|Knovel]

2)  Density   -- 1.45 g/cm^3 - perdicted [|ChemSpider] -- 1.23 g/cm^3 [|CRC Handbook] ([|CRC-Caffeine.jpg])   <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">-- 1.23 g/cm^3 <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">//(The [|Merk_Index.jpg]//) - [|Knovel] -- 1.45 g/cm^3 <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">[|LookChem] -- 1.230 g/cm^3 [|Alfa Aesar]

<span style="font-family: 'Times New Roman',Times,serif;"><span style="font-family: Verdana,Arial,Helvetica,sans-serif;"> 3) <span style="color: #000000; font-family: Verdana,Geneva,sans-serif;"> Melting Point   <span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: 'Times New Roman',Times,serif;">   <span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: Verdana,Arial,Helvetica,sans-serif;">-- //237// °C [|MSDS] <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">--238 °C <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">//(The [|Merk_Index.jpg]//) - [|Knovel] -- 234-239 ºC <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">[|LookChem] -- 234-236 °C [|Alfa Aesar] <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">-- 236.3 °C [|CRC Handbook] ([|CRC-Caffeine.jpg])

<span style="color: #008000; font-family: 'Times New Roman',Times,serif;">4) <span style="color: #000000; font-family: Verdana,Geneva,sans-serif;"> Water Solubility  <span style="font-family: 'Comic Sans MS',cursive;"><span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: 'Times New Roman',Times,serif;"> <span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: Verdana,Arial,Helvetica,sans-serif;">-- 0.022 g/mL <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">in water //(The// [|Merk_Index.jpg]<span style="font-family: Verdana,Arial,Helvetica,sans-serif;">) - [|Knovel] - [originally 1 gram 46 mL] --  0.020 g/mL (20 ºC) in water <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">[|LookChem]   <span style="font-family: Verdana,Arial,Helvetica,sans-serif;"> - [originally 20 g/L] <span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: Verdana,Arial,Helvetica,sans-serif;"> -- Slightly Soluble in water [|Sigma MSDS - Segment.pdf] <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">-- <span style="font-family: Verdana,Geneva,sans-serif;">Slightly Soluble in water [|CRC Handbook] ([|CRC-Caffeine.jpg])<span style="font-family: Verdana,Arial,Helvetica,sans-serif;"> -- Moderately Soluble in water [|MSDS]

<span style="font-family: 'Comic Sans MS',cursive;"><span style="font-family: Verdana,Geneva,sans-serif;"> 5) Toxicity <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">-- <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">LD50-ORL-RAT <span style="font-family: Verdana,Geneva,sans-serif;"> 192 mg kg-1 ([|MSDS]) <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">--  <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">LD50-ORL-RAT <span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: Verdana,Arial,Helvetica,sans-serif;"> 192 mg kg-1 [|Sigma MSDS - Segment.pdf] <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">--  <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">LD50-ORL-RAT 355 mg kg-1(males); 247 mg kg-1 <span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: Verdana,Arial,Helvetica,sans-serif;">(females) //(The// [|Merk_Index.jpg]<span style="font-family: Verdana,Arial,Helvetica,sans-serif;">) - [|Knovel] -- <span style="font-family: Century Gothic,Arial; font-size: 10pt;"> <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">LD50-ORL-RAT 192 <span style="font-family: Century Gothic,Arial; font-size: 10pt;"> <span style="font-family: Verdana,Arial,Helvetica,sans-serif;"> mg kg-1 <span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: Century Gothic,Arial; font-size: 10pt;"> [|chemicalland21]
 * //--//** <span style="font-family: Verdana,Arial,Helvetica,sans-serif;">LD50-ORL-RAT 192 mg kg-1 <span style="font-family: Verdana,Geneva,sans-serif;"><span style="font-family: Verdana,Arial,Helvetica,sans-serif;"> [|Wolframalpha]

<span style="font-family: Verdana,Arial,Helvetica,sans-serif;">