| Formula / Notation | C2H4O |
|---|---|
| CAS Number | 75-07-0 |
| Molecular Weight | 44.05 |
| Melting Point | -190.3 °F (NTP, 1992) |
| Boiling Point | 70 °F at 760 mmHg (NTP, 1992) |
| Density | 0.78 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | 0.1 to 1.0 mg/mL at 66 °F (NTP, 1992) |
| Appearance | Acetaldehyde appears as a clear colorless liquid with a pungent choking odor. Flash point -36 °F. Boiling point 69 °F. Density 6.5 lb / gal. Vapors are heaver than air and irritate the mucous mem... |
| Also Known As | ethanal; 75-07-0; acetic aldehyde; ethyl aldehyde; Acetylaldehyde; Acetaldehyd; Aldeide acetica; Acetic ethanol; Octowy aldehyd; Aldehyde acetique |
| Category | Organic Compounds |
What is Acetaldehyde?
Acetaldehyde can cause cancer according to an independent committee of scientific and health experts.
Formula & Notation
IUPAC Name: acetaldehyde
Other Names / Synonyms: ethanal; 75-07-0; acetic aldehyde; ethyl aldehyde; Acetylaldehyde; Acetaldehyd; Aldeide acetica; Acetic ethanol; Octowy aldehyd; Aldehyde acetique
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -190.3 °F (NTP, 1992) |
| Boiling Point | 70 °F at 760 mmHg (NTP, 1992) |
| Density | 0.78 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Molecular Weight | 44.05 |
| Solubility | 0.1 to 1.0 mg/mL at 66 °F (NTP, 1992) |
| Appearance | Acetaldehyde appears as a clear colorless liquid with a pungent choking odor. Flash point -36 °F. Boiling point 69 °F. Density 6.5 lb / gal. Vapors are heaver than air and irritate the mucous mem... |
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
Acetaldehyde can cause cancer according to an independent committee of scientific and health experts.
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 Acetaldehyde is: C2H4O