3-Buten-2-one
ALDRICH/M87509 - contains 0.3-1.0% hydroquinone as stabilizer, technical grade, 90%
Synonym: Methyl vinyl ketone; Vinyl methyl ketone
CAS Number: 78-94-4
Empirical Formula (Hill Notation): C4H6O
Molecular Weight: 70.09
MDL Number: MFCD00008777
Linear Formula: CH2=CHCOCH3
Product Type: Chemical
assay | 90% |
bp | 81 °C (lit.) |
contains | 0.3-1.0% hydroquinone as stabilizer |
density | 0.864 g/mL at 25 °C (lit.) |
expl. lim. | 15.64 % |
form | liquid |
grade | technical grade |
impurities | <7% water |
InChI | 1S/C4H6O/c1-3-4(2)5/h3H,1 |
InChI key | FUSUHKVFWTUUBE-UHFFFAOYSA |
Quality Level | 200 ![]() |
refractive index | n |
SMILES string | CC(=O)C=C |
solubility | H2O: soluble |
storage temp. | 2-8°C |
vapor density | 1.3 (vs air) |
vapor pressure | 310 mmHg ( 55 °C) |
71 mmHg ( 20 °C) |
Application: | 3-Buten-2-one can undergo conjugate addition with methanol over the solid base catalysts to afford 4-methoxy-butan-2-one. It can also undergo coupling reaction with alkyltins and alkynes in the presence of a nickel complex to form stereo-defined conjugated enynes. |
Packaging: | 100, 500 mL in glass bottle |
Symbol | ![]() ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H225 - H300 + H310 + H330 - H314 - H317 - H410 |
Precautionary statements | P210 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
Hazard Codes | F,T+,N |
Risk Statements | 11-26/27/28-34-43-50/53 |
Safety Statements | 9-16-26-28-36/37/39-45 |
RIDADR | UN1251 - class 6.1 - PG 1 - Methyl vinyl ketone, stabilized |
WGK Germany | WGK 3 |
Flash Point(F) | 19.4 °F - closed cup |
Flash Point(C) | -7 °C - closed cup |
Purity | 90% |
bp | 81 °C (lit.) |
Density | 0.864 g/mL at 25 °C (lit.) |
Refractive Index | n |
Storage Temp. | 2-8°C |
UNSPSC | 12352100 |