APPENDIX. 
r _ ' 
Table VII. 
MELTING POINTS OF COMPOUNDS USEFUL FOR APPROXIMATE 
MELTING-POINT DETERMINATIONS WITH THE MICROSCOPE. 
Melting 
point.* 
°C. 
20 
21 
26 
30 
35 
42 
45 
48 
50 
52 
54 
57 
62 
63 
66 
67 
68 
70 
71 
80 
82 
86 
89 
90 
92 
94 
95 
98 
100 
104 
105 
107 
108 
no 
112 
113 
115 
116 
118 
119 
120 
122 
125 
126 
128 
132 
135 
140 
145 
147 
152 
153 
155 
156 
160 
i6s 
168 
Compound. 
Acetophenon 
Anethol 
Diphenylmethane 
Orthocresol 
Phenol (in tube m. p. 40°) 
Salol, Menthol 
Orthoni trophenol 
Benzophenone 
Thymol; Alphanaphthylamine 
Dichlorbenzene 
Diphenylamine 
Chloral hydrate 
Trichlorbenzene 
Trichlor acetic acid 
Sodium alum 
Coumarin; Hypnal 
Azobenzene 
Diphenyl 
Orthonitraniline 
Hedonal 
Trional 
Vanillin 
Acetamide 
Saligenin 
Paradibrombenzene 
Metadinitrobenzene 
Salipyrin; Triphenylmethane; Po¬ 
tassium alum 
Alphanaphthol; Ammonium alum 
Tribromphenol 
Cocaine 
Exalgin 
Pyrocatechin 
Brucine (hydrated) 
Pyramidon 
Hyoscyamine 
Metanitraniline 
Betanaphthylamine; Antipyrin; 
Paranitrophenol; Atropine 
Acetanilide 
Iodoform 
Resorcin 
Conhydrine 
Tribromaniline 
Colchicine (Merck) 
Betanaphthol; Picric acid 
Dionin; Sulphonal 
Amidoazobenzene 
Piperine 
Urea; Hydrastine 
Tartaric acid; Phenacetin 
Paraphenylenediamine; Ammo¬ 
nium sulphate 
Cholesterin 
Ammonium sulphocyanate; Para- 
nitraniline; Paraphenylenediam¬ 
ine hydrochloride 
Ammonium nitrate 
Alphadinitronaphthalene 
Codeine (Merck) 
Salicylic Acid 
Esculin; Arabinose 
Mannit 
Quinine 
Melting 
point.* 
Compound. 
“C. 
169 
Hydroquinon 
170 
Santonin 
171 
Heroin 
173 
Paradichlor benzene 
176 
Narcotine 
178 
Brucine (anhydrous); Chrysarobin 
180 
Atropine sulphate 
182 
Succinic acid 
184 
Cinchonamine 
187 
Hippuric acid 
188 
Dulcit 
189 
Nitron 
IQO 
Aniline hydrochloride 
191 
Veronal 
192 
Picrotoxin (Merck); Physostigmine 
IQ3 
(Merck) 
Thebaine 
198 
Ecgonine; Silver nitrate (200-209) 
200 
Salicin; Phloroglucin; Morphine; 
204 
Saccharin 
Phenylglucosazone 
20s 
Quinine sulphate 
20S 
Anthracene (208-213) 
210 
Coniine hvdrochloride 
217 
Phenylhydrazine 
221 
Dibromanthracene 
225 
I nosite 
230 
Heroin hydrochloride 
232 
Metallic tin 
234 
Quercit 
238 
Carbazol 
240 
D imethyl glyoxime 
250 
Phenolphthalein 
265 
Strychnine 
267 
Metallic bismuth 
270 
Sodium nitrite 
28q 
Alizarin 
300 
Mercuric chloride 
Sodium nitrate 
320 
Metallic cadmium; Sodium bicnro 
340 
mate 
Potassium nitrate 
370 
Potassium chlorate 
400 
Silver bromide 
407 
Thallous chloride 
420 
Metallic zinc 
510 
Lead chloride 
S6o 
Potassium iodate 
590 
Barium nitrate 
610 
Potassium perchlorate 
625 
Potassium iodide; Metallic lead 
630 
Metallic antimony 
640 
Rubidium bromide 
645 
Strontium nitrate 
650 
Silver sulphate 
660 
Metallic aluminum 
710 
Rubidium chloride 
715 
Potassium bromide 
770 
Potassium chloride 
850 
Strontium chloride 
960 
Metallic silver 
975 
Potassium chromate 
1000 
Cadmium sulphate 
1070 
Potassium sulphate 
> Figures given in this column allow a variation of ± 2 or 3 degrees in many instances. 
445 
