acetyl ketene basic information |
product name: |
acetyl ketene |
synonyms: |
3-buteno-beta-lactone;3-butenoic acid, 3-hydroxy-, beta-lactone;3-hydroxy-3-butenoicacibeta-lactone;4-methylene-2-oxetanon;diketen;diketene,inhibited;ethenone, dimer;ethenone,dimer |
cas: |
674-82-8 |
mf: |
c4h4o2 |
mw: |
84.07 |
einecs: |
211-617-1 |
product categories: |
pharmaceutical intermediates;aromatic amine products |
mol file: |
674-82-8.mol |
|
acetyl ketene chemical properties |
mp |
-7.5°c |
bp |
69-70 °c100 mm hg(lit.) |
density |
1.09 g/ml at 25 °c(lit.) |
vapor density |
2.9 (vs air) |
vapor pressure |
7.9 mm hg ( 20 °c) |
refractive index |
n20/d 1.439(lit.) |
fp |
95 °f |
storage temp. |
2-8°c |
cas database reference |
674-82-8(cas database reference) |
nist chemistry reference |
2-oxetanone, 4-methylene-(674-82-8) |
epa substance registry system |
2-oxetanone, 4-methylene-(674-82-8) |
safety information |
hazard codes |
xn |
risk statements |
10-20-40-36/37/38 |
safety statements |
3-36/37-33-24/25-23-16-26 |
ridadr |
un 2929 6.1/pg 2 |
wgk germany |
2 |
rtecs |
rq8225000 |
f |
19-21-27 |
hazardclass |
6.1(a) |
packinggroup |
i |
hazardous substances data |
674-82-8(hazardous substances data) |