86 



COAL-TAR COLORS USED IN FOOD PRODUCTS. 



FAVORABLE. 



1. WEYL (p. 31): " Butter Yellow produces no disturbance in rabbits." 



UNFAVORABLE. 



1. CHLOPIN (p. 138): Where as a result of his own experiments he considers it 

 sonous. His experimental data are as follows: 



Experimental data by Chlopin. 



No. 1. 

 [1 gram=159 mg=lll grains.] 



No. 2. 

 [1 gram=96 mg=67 grains.] 



No. 3. 

 [1 gram=167 mg=117 grains.] 



i This dog ran away. 2 Gruebler's make. 3 Berlin make. 



G. T. 17, 18, 41. 



17. Trade names. Chrysoidin Y; Chrysoidin crystals. 

 Name under which it was offered on the United States market as a 

 food color in 1907. Chrysoidin Y. 



Scientific name. Anilin-azo-meta-phenylene-diamin. 

 Discovered. 1875. 



