Terpinen Alpha


 TICSA Code No.
C110574
 
Chemical Name 1-Methyl-4-isopropyl-1,3-cyclohexadiene C10H16
Synonym p-Mentha-1,3-diene  
CAS No. 99-86-5 M.W. 136.24
Odour Description Refreshingly herbaceous-citrusy odour.  
Occurrence in Nature
Has been found in oil of coriander, lemon, cumin, and Ocimun viride.
 
Application Information
Widely used in flavor and fragrance for the reconstitution and extension of citrus oils.
 
Typical Use Level 1 to 5%  
  Stability
 
 Substantivity  
 Hypochlorite Bleach  Poor Skin  Poor
 Perborate Powder Detergent  Poor Dry Fabric  Poor
 Liquid Detergent  Poor Wet Fabric  Poor
 Concentrated Fabric Softeners  Poor Hair  Poor
 Soaps  Fair Tenacity on Blotter  > 2 Hours
 Alcoholic Fine Fragrances  Fair Diffusivity Diffusive
 Toiletry Applications  Fair    
 Antiperspirants  Fair    
Typical Physical Properties
  Sp. Gr. (15/15)
0.8400-0.8500
 Flash Point oC 55 CC
 [a]20D      
 GC MIN 80% as alpha-Terpinene    
 Appearance Colorless liquid    
CLogP 4.412    
FEMA/GRAS No. 3558