|
Oragnoleptic properties
|
Specification
|
|
Appearance
|
Colorless, pale yellow to greenish yellow clear liquid.
|
|
Odour
|
Citrus Characteristic
|
|
Solubility
|
Insoluble in water, soluble 1 vol. of solute in 3vol. of solvent (96%)
|
|
Physical Characteristic
|
|
|
First identification B
|
As per USP
|
|
Second identification A
|
Concordant with the reference zone of limonene is present, obtained with the test solution
|
|
Second identification B
|
Characteristic pick in the test sol. is similar and obtained with the reference solution
|
|
Residual solvent
|
As per USP
|
|
Heavy metals
|
0.004%
|
|
Refractive index @ 20 oC
|
1.473 to 1.476.
|
|
Specific gravity @ 25 oC
|
0.849 to 0.855
|
|
Optical rotation
|
+ 57° to + 65°.
|
|
Acid value
|
NMT 2.00mgKOH/gm
|
|
Water content
|
0.20% Max
|
|
Chromatographic Analysis:%
D limonene
Aldehyde
|
56 to 78
2.2 to 5.5
|
