Table 2. Solvents used for extraction: physico-chemical properties [9].
S. No |
Solvent |
Chemical Formula |
Molecular weight |
Boiling point
|
Polarity index
|
Viscosity (cP) |
Solubility in water |
1 |
Hexane |
C₆H₁₄ |
86.18 g/mol |
68.7°C |
0.1 |
0.31 |
Insoluble |
2 |
Chloroform |
CHCl₃ |
119.38 g/mol |
61.2 °C |
4.1 |
0.56 |
Slightly soluble |
3 |
Methanol |
CH3OH |
32.04 g/mol |
64.7 °C |
5.1 |
0.59 |
Miscible |
4 |
70%Ethanol |
C2H5OH |
46.07 g/mol |
78.5° C |
6.34 |
0.79 |
Miscible |
5 |
Hot water |
H₂O |
18.01528 g/mol |
100 °C |
10.2 |
1 |
Miscible |
*Solvent used as per their polarity