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A Manual of the Chemistry of the Carbon Compounds

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TEE CABBON COMPOUNDS.<br />

NORMAL BROMIDES.<br />

Observed. Calculated.<br />

Ethyl Cfi6 Br. . 39° . . . 39° .<br />

Propyl CgHj Br. . 71 . . . 71 .<br />

Butyl C 4H 0Br. . 1004. . . 101 .<br />

Pentyl CgH^r . . 1287. . . 129 .<br />

Hexyl CgEyBr . . — . . . 155 .<br />

Heptyl C7H,6Br . . — . . . 179 .<br />

Octyl C 8H r tBr. . 199 . . . 201 .<br />

NORMAL CHLORIDES.<br />

Obsorved. Calculated.<br />

13°<br />

Ethyl<br />

Cl 12-5°<br />

Propyl 464<br />

46<br />

Butyl 9 77-6<br />

77<br />

Pentyl C6HUC1 105-6<br />

106<br />

Hexyl<br />

133<br />

y e^<br />

Heptyl py C7H,6C1 7,6 . . — ... 158<br />

Otl Octyl C8HWC1 CHC1 180 ... 181<br />

NORMAL ACETATES.<br />

Ethyl<br />

Propyl<br />

C4 H8 O2<br />

C6 H^O,<br />

Butyl C6 H KO 2<br />

Pentyl C, H14O8<br />

Hexyl C 8H 1 60,<br />

Heptyl CHv.0,<br />

Octyl<br />

9HBO2<br />

Observed.<br />

74°<br />

102<br />

125-1<br />

148-4<br />

168-7<br />

207<br />

Calculated,<br />

74'<br />

101<br />

.126<br />

149<br />

170<br />

189<br />

208<br />

Difference.<br />

32°<br />

30<br />

28<br />

26<br />

24<br />

22<br />

Diference.<br />

33°<br />

31<br />

29<br />

27<br />

25<br />

23<br />

Difference.<br />

27°<br />

25<br />

23<br />

21<br />

19<br />

19<br />

It is generally stated, that metameric compounds, having an<br />

analogous constitution, boil at <strong>the</strong> same temperature, hit, as <strong>the</strong><br />

following examples show, this is not always <strong>the</strong> case -.—<br />

Butyl Acetate . . 124-3"<br />

Propyl Propionate. 122-4<br />

Ethyl Butyrate . 121-0<br />

Formula C,H,40,.<br />

Pentyl Acetate .<br />

Bxityl Propionate<br />

Propyl Butyrate<br />

Boiling,<br />

point<br />

1484°<br />

. 1460<br />

. 143-4<br />

I8omerfc compounds boil- at different tempevahires, <strong>the</strong> boilingpoint<br />

being higher <strong>the</strong> mot-e simple <strong>the</strong> constitution <strong>of</strong> <strong>the</strong> compound<br />

-.—<br />

Boiling-point.<br />

Hexane C«HU 69-5°<br />

Dimethyl-ethyl-methane.<br />

62<br />

Tetramethyl-ethane . .<br />

Trhaethyl-ethyl-methane<br />

CO<br />

45

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