520 



SEC. 13. CHEMISTKY. 



Benzylxylene C 15 Hi 6 . 

 Benzvlxylolketone 



C 6 H 5 COC 6 H 3 (CH 3 ) 2 . 

 Benzoylisophtalic acid 



C 6 H 5 COC 6 H 3 (COOH) 2 . 

 Benzoylisophtalate of barium 



Benzoylisophtalate of Ethyl "I 

 Benzoylisophtalate of Methyl J 



C 

 6 



COOCH 



Benzylisophtalic acid 



C 6 H 5 CH 2 C 6 H 3 (COOH) 2 . 

 Benzylisophtalic acid, Barium, Cal- 

 cium. 



Barium-Ethylsulphate,Ba < 



(Crystals of rare beauty.) 

 Anthracene. 

 Red Chromate of lead. 

 Green Chromate of lead. 

 Yellow Chromate of lead (chemically 



pure). 

 Turkish red. 



Isomeric anhydride of benzoyliso- 



phtalic acid C 15 H 10 O 4 . 



The lead preparations are manufactured by means of chemically pure Ceruse. 



Dr. Alex. Aug. Blatzbecker, Cologne. 



Elaidic Acid. Fus. p. 45. Franz Bornemann, Verden. Obtained from the 

 oleine of stearin, manufactured by pressing it once in cold and once in heat. 



Angelic acid ; well shaped crystals, 

 1-2 cm. long, 3 mm. thick C 5 H 8 O 2 . 

 Sodium-Ethylhyposulphite 



Taurine Crystals, 5 cm. long 



C 2 H 7 NS0 3 . 



Cubebene-Stearoptene C 15 H 26 O. 



Hydrochlorate of Cubebene 



C 15 H 24 HC1. 



Hydrochlorate of Turpentine 



Iodine cyanide CNI. 

 Barium-Amylsulphate 



(S0 4 C 3 H n ) 2 Ba. 

 Potassium-dichloracetate 



C 2 HC1 2 KO. 

 Potassium-Stannocyanide 



Sn (CN^KCN. 



Ethyl-dichloracetate C 2 HC1 2 C 2 H 5 O 2 . 

 Octyl-Butyrate, Ethere'al oil of Pas- 



tia. 

 Octyl-Butyrate, Ethereal oil of Hera- 



cleum Sphondyl. 

 Octylalcohol norm. C 8 H 18 O. 

 Octylacetate norm. C 8 H 17 OC 2 H 3 O. 

 lodine-trichloride-potassium-chlorido 

 KC1IC1 3 . 



Terpiii C 10 H^O + H 2 O. 

 Chelidonic acid C 7 H 4 O 6 + H 2 O. 

 Bromalhydrate crystals, long 4 cm.,high 



2 cm., thick 1 cm. C 2 HC1 3 OIL>O. 

 Arbutine C 25 H 34 O 14 . 



Breslau, Pharmaceutical Institute of the University of; 

 Prof. Dr. Poleck and Dr. Hulva. 



Tetramethylammoniumtriiodide 



(CH 3 ) 4 NI 3 . 

 Tetramethylammoniumpentaiodide 



(CH 3 ) 4 NJ 5 . 

 Trimethylethylammoniumtriiodide 



(CH 3 ) 3 (C 2 H 5 )NI 5 . 



Trimethylethylammoniumpentaio- 



dide (CH 3 ) 3 (C 2 H 5 )NI 6 . 

 Methyltriethylammouiuintriiodid 



,. 

 Tetrethylammoniumpentaiodide 



m (C 2 H 5 ) 4 NI 5 . 

 Tetraethylammoniumtribromidc 



(C 2 H 5 ) 4 NBr 3 . 



Molybdenumdichloride Mo 2 Cl 4 . 

 Molybdenumdichloride Mo 2 CI 4 3H 2 O. 



Molybdenum trichloride Mo 2 Cl fi . 



Molybdenumtetrachloride MoCl 4 . 



Molybdenumpentachloride Mo 2 Cl 5 . 



Molybdenum-oxy chloride MoO 2 Cl 2 . 



Molybdenum-oxytetrachloride 



MoOCl.,. 



The Polyiodides of the ammonium- 

 bases "are resulting from the re- 

 searches of Weltzien. 



The Molybdenum-chlorides and oxy- 

 chlorides are prepared by Liechti 

 and Kempe. 



The large tube of Molybdenum-pen- 

 tachloride has been prepared re- 

 cently by Aronheim and Bornc- 

 mann. 



Carlsruhe, Chemical Laboratory oj the Polytechnic Academy ; 

 Prof. L. Meyer. 



