SENOR-2

Color Former : for heat-sensitive paper and thermal paper

Commercial Name	Application
SENOR - 2	SENOR-2 can be used in most grades of heat-sensitive paper. Produces intense black image with excellent image stability. Exhibits high thermal sensitivity.

Chemical Name :
2-Anilino-6-(dibutylamino)-3-methylfluoran

< 2’-anilino-6’-dibutylamino-3’-methyl-spiro[isobenzofuran-1(3H),9’[9H]xanthen]-3-one >

Formula : C₃₅H₃₆N₂O₃
CAS Number : 89331-94-2

Specifications

       Purity :                                  99% min (by HPLC)
       Volatile, 4hrs at 105℃ :             0.3% max
       Color(APHA) :                         30 max (at 455nm)
        Melting Point :                         183℃ (361.4 ℉) min
       Appearance :                           Light colored powder
        Odor :                                   Odorless

Physical Property

Appearance	Light colored powder
Melting Point	183 ℃ (361.4 ℉)
Specific Gravity (H2O=1)	1.19
Odor	Odorless
Vapor Density (Air=1)	Not applicable
Evaporation Rate (Butyl Acetate=1)	Not applicable
Solubility in water	Negligible
Vapor Pressure (mmHg)	Not applicable