| Formula / Notation | C4H8O |
|---|---|
| CAS Number | 78-93-3 |
| Molecular Weight | 72.11 |
| Melting Point | -123.3 °F (NTP, 1992) |
| Boiling Point | 175.3 °F at 760 mmHg (NTP, 1992) |
| Density | 0.806 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | greater than or equal to 100 mg/mL at 66 °F (NTP, 1992) |
| Appearance | Methyl ethyl ketone appears as colorless fairly volatile liquid with a pleasant pungent odor. Flash point 20 °F. Vapors heavier than air. Does not react with water or many common materials. Stable... |
| Also Known As | butan-2-one; 2-Butanone; Butan-2-one; Butanone; 78-93-3; Ethyl methyl ketone; Methylethyl ketone; Meetco; Methyl acetone; Methylethylketone |
| Category | Organic Compounds |
What is Methyl ethyl ketone?
Butan-2-one is a dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2. It has a role as a polar aprotic solvent and a bacterial metabolite. It is a volatile organic compound, a dialkyl ketone, a butanone and a methyl ketone.
Formula & Notation
IUPAC Name: butan-2-one
Other Names / Synonyms: butan-2-one; 2-Butanone; Butan-2-one; Butanone; 78-93-3; Ethyl methyl ketone; Methylethyl ketone; Meetco; Methyl acetone; Methylethylketone
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -123.3 °F (NTP, 1992) |
| Boiling Point | 175.3 °F at 760 mmHg (NTP, 1992) |
| Density | 0.806 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Molecular Weight | 72.11 |
| Solubility | greater than or equal to 100 mg/mL at 66 °F (NTP, 1992) |
| Appearance | Methyl ethyl ketone appears as colorless fairly volatile liquid with a pleasant pungent odor. Flash point 20 °F. Vapors heavier than air. Does not react with water or many common materials. Stable... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Butan-2-one is a dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2. It has a role as a polar aprotic solvent and a bacterial metabolite. It is a volatile organic compound, a dialkyl ketone, a butanone and a methyl ketone.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for Methyl ethyl ketone is: C4H8O