Rose absolute (Rosa damascena)

 

Appearance  clear transparent fluid  
Colour orange-red   
Odor specific of rose  
Relative density, g/cm3 from 0,950 to 0,995  
Refractive index (20 °C) from 1,4900 to 1,5150  
Acid value, mg KOH/g not more than 11,0  
Ester value, mg KOH/g from 13,0 to 30,0  
Ester Value after acetylating,  
mg KOH/g from 217,0 to 274,0

Contents of characteristic ingredients( by GC), %: 
Phenyl-ethyl alcohol from 45,0 to 71,0  
Citronellol from 6,0 to 12,0  
Geraniol from 2,5 to7,5  
Nerol from 1,5 to 6,5  
Eugenol from 0,9 to 2,2  
Ethyl alcohol not more than 2,0  
Methyl eugenol from 0,3 to 0,8