80 
DE, T. E. THORPE AND MR. J. W. RODGER ON THE RELATIONS 
Methyl Isohutyrate, ( 0113 ) 2 .CH.COOCHs. 
The sample boiled between 92°’03 and 92^’05. Bar., 754'8 rnillims. Corrected 
and reduced b.p. = 92°'26 (92°'3, Y. and T.). 
Left limb. 
Rio-ht limb. 
1 
Temp. 
Press. 
Corr. 
Temp. 
Press. 
Cerr. 
i 
'/■ j 
0-35 
100-06 
-000039 
1 
•006682 
0-22 
100-08 
■000039 
1 
-006696 ! 
9-48 
99-97 
•000043 
•005904 t 
9-32 
99-89 
•000043 
•005925 ' 
18-12 
99-91 
•000047 
•005297 ’ 
18T1 
99-82 
•000047 
•005301 ! 
28-99 
101-36 
•000054 
•004660 
28-97 
101-26 
•000054 
•004660 
3.5-82 
101-16 
•000057 
•004314 
35-80 
101-19 
■000057 
•004320 
44-70 
100-99 
•000062 
•003928 
44-63 
101-04 
•000062 
•003937 
52-56 
100-91 
•000066 
•003626 
52-54 
100-84 
•000066 
•003636 
62-64 
101-23 
•000072 
•003289 
62-81 
100-74 
•000072 
•003289 
76-20 
101-25 
•000077 
•003035 
76-24 
101-18 
•000077 
•003038 
79-78 
101-19 
■000082 
•002814 
79-76 
101-11 
•000082 
•002812 
88-83 
101-22 
■000087 
•002587 
88-86 
101-13 
•000087 
•002590 
The value 0’91131 for the density at 0 °, and the expression 
V = 1 + -0012170 t + -0338334 + ’0^22582 
have been used in reducing the observations. 
Taking 
7 ^^ = -006689 7^3 = -002.589 y, (calculated) = -004161, 
0°-33 ^3 = 88°-84 ^0 (from curve) = 39°-20, 
we obtain the formula 
98-0935 
“ (139-95G + 
which gives values agreeing fairly well with the observed numbers. 
Etheks. 
Methyl Fro'pyl Ether. CHg.O.CHo.ClIo.CTl 3 . 
A sample prepared from methyl iodide and sodium prop}date was distilled from 
sodium wire, and the portion boiling between 39°-20 and 39°-28 was used in the 
observatioQS. Bar., 762-5 millims. Corrected and reduced b.p. 39°-15. 
The following' are the observations of viscositv :—■ 
O M 
