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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