- Alternate name:ethylbenzene
- Molecular formula:C6H5C2H5
The character of the product:ethylbenzene
is colorless transparent or yellowish liquid;it's inflammable,insoluble
in water,but soluble in alcohol,benzene,diethyl ether,carbon tetrachloride
and so on;it's anaesthetic and poisonous.
- specific gravity(d20 4ºC):0.866-0.870,
- freezing point:-95ºC,
- flashing point:20ºC,
- spontaneous ignition point:432.2ºC,
- explosion limit:1.36-6.7%,
The quality of product:
The usage of the product:ethyl benzene is the raw material in
the production of styrene;in medicine,it's used as the intermediate
of dl-chloromycetin,Chloramphenicol,the raw material of oil-based
acetophenone or solvent.
The specification and standard of quality:
| Item |
Standard |
Test
methods |
| |
Grade one |
Grade two |
| appearance |
colorless transparent or yellowish
liquid |
eye measurement |
| specific gravity(d204) |
0.866-0.870 |
0.866-0.870 |
GB2013 |
boiling range(under 760ºC mercury column,distil off 95%
of gross volume)
initial boiling point ºC >
final boiling point ºC < |
135.8
136.6
|
135.2
136.7
|
GB3146 |
|
chromatoraphic analysis:
purity &(wt)≤benzene:the gross content of toluene%<the
content of benzene included %<the gross content of cumin,toluene,ethylbenzene,butylbenzene
% <among them,the content of toluene,ethylbenzene,and butylbenzene
%<that of diethylbenzene |
99.2
0.5
0.1
0.17
0.04
none |
98
1.25
0.25
0.28
0.06
none |
chroma-tography |
|
Ethyl Benzene