BioChem Tables

BIOCHEM/CHEM TABLES+ LINKS

Fluorophore excitation/emission

pKa TABLES 

pKa Bordwell     pKa via Evans        pKa aqueous      Buffer pH/pKa 

           

QUICK ORGANIC CHEMISTRY LAB REFERENCE TABLES 

TEMPERATURE / PRESSURE

Nomograph

USEFUL ICE COLD BATHS _____________________
Don't use the info here without adequate safety training and knowledge.  You might get burned.  Frozen.  Whatever.
Solvent Dry Ice Bath Temperatures
Ask experienced people about your plan before working with extreme cold and hot temperatures.  Solvents should only be handled with safety goggles with adequate ventilation and care to avoid fires.
Salt Water Ice Bath
SolventDegrees Celsius
 SaltDegrees Celsius
Ethylene glycol-15
Sodium Chloride     -5 to -20
3-Heptanone-38
Calcium Chloride     -20 to -40 
Cylcohexanone-46


Ethanol-72


Acetone-78


Isopropanol-78


Diethyl ether-100


 

Cold Bath Temperatures

Liquid Nitrogen (LN2) and Dry Ice (CO2) 

Solvent Cold Baths            Temperature

p-XyleneLN213
p-DioxaneLN212
CyclohexaneLN26
Ethylene glycolCO2-15
NitromethaneLN2-29
o-XyleneLN2-29
3-HeptanoneCO2-38
AcetonitrileLN2-41
CylcohexanoneCO2-46
m-XyleneLN2-47
n-OctaneLN2-56
ChloroformLN2-63
EthanolCO2-72
AcetoneCO2-78
IsopropanolCO2-78
Ethyl acetateLN2-84
NitroethaneLN2-90
HeptaneLN2-91
CyclopentaneLN2-93
HexaneLN2-94
TolueneLN2-95
MethanolLN2-98
Diethyl etherCO2-100
CyclohexaneLN2-104
IsooctaneLN2-107
Carbon disulfideLN2-110
AcetaldehydeLN2-124
Methyl cyclohexaneLN2-126
n-PentaneLN2-131
1,5-HexadieneLN2-141

 


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