CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 2-chloroethanal appears as a clear colorless liquid with a pungent odor. Flash point about 190 °F. Corrosive to skin and mucous membranes. It is very toxic by inhalation. |
|---|---|
| Color/Form | Colorless liquid [Note: Typically found as a 40% aqueous solution] |
| Odor | Acrid, penetrating odor |
| Boiling Point | 185 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 3 °F (USCG, 1999) |
| Flash Point | 190 °F (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 66 °F (NTP, 1992) |
| Density | 1.19 at 77 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Density | 2.7 (40% aqueous solution) (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 100 mmHg at 113 °F (40% aqueous solution) (NTP, 1992) |
| LogP | 0.37 |
| Stability/Shelf Life | The anhydrous substance polymerizes on standing, but reverts to the monomer on distillation. |
| Autoignition Temperature | 88 °C |
| Decomposition | When heated to decomposition it emits toxic fumes of /hydrogen chloride/. |
| Ionization Potential | 10.61 eV |
| Polymerization | Anhydrous substance polymerizes on standing but reverts to the monomer on distillation. |
| Odor Threshold | Odor threshold: 3.0 mg/cu m |
| Refractive Index | Index of refraction: 1.397 at 25 °C |
| Other Experimental Properties | Conversion factors: 1 mg/L equals 309 ppm; 1 ppm equals 3.2 mg/cu m |
| Chemical Classes | Toxic Gases & Vapors -> Other Toxic Gases & Vapors |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H314:Skin corrosion/irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H351:Carcinogenicity H400:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 78.50 g/mol |
|---|---|
| XLogP3 | 0.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 77.9872424 g/mol |
| Monoisotopic Mass | 77.9872424 g/mol |
| Topological Polar Surface Area | 17.1 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 20 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
2-chloroethanal appears as a clear colorless liquid with a pungent odor. Flash point about 190 °F. Corrosive to skin and mucous membranes. It is very toxic by inhalation.