Substance profile
1,1-Dichloroethane
1,1-Dichloroethane is colorless, oily liquid with an aromatic ethereal odor.
01 · Identification
What 1,1-Dichloroethane is
1,1-Dichloroethane is colorless, oily liquid with an aromatic ethereal odor. It boils at 57.4 °C, melts at -96.9 °C.
Under the GHS it carries the signal word Danger. It is classed as hazardous Air Pollutants (HAPs).
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H225 | Highly flammable liquid and vapour. |
| H302 | Harmful if swallowed. |
| H335 | May cause respiratory irritation. |
| H319 | Causes serious eye irritation. |
| H412 | Harmful to aquatic life with long lasting effects. |
Precautionary statements: P210, P233, P241, P242, P264, P270, P273, P280, P301, P305, P312, P313, P330, P337, P338, P403, P501
03 · Physical and chemical properties
1,1-Dichloroethane properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 57.4 °C (135.3 °F) | HSDB | |
| 57.22 °C (135 °F) | NIOSH | ||
| 57.28 °C (135.1 °F) | at 760 mmHg | CAMEO | |
| Melting point | -96.93 °C (-142.5 °F) | HSDB | |
| -97.22 °C (-143 °F) | NIOSH | ||
| Density | 1.18 g/cm³ | NIOSH | |
| 1.175 g/cm³ | at 20 °C | HSDB | |
| 1.174 g/cm³ | at 20 °C | CAMEO | |
| Solubility | Soluble in alcohol, ether, fixed and volatile oils. | HSDB | |
| In water, 5,040 mg/L at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 182 mmHg | NIOSH | |
| 227 mmHg | at 25 °C | HSDB | |
| 234 mmHg | at 25 °C | CAMEO | |
| Flash point | -10 °C (14 °F) | HSDB | |
| -16.67 °C (2 °F) | HSDB | ||
| -8.33 °C (17 °F) | closed cup | HSDB | |
| Autoignition temperature | 457.78 °C (856 °F) | HSDB | |
| 458 °C (856.4 °F) | ICSC | ||
| Lower explosive limit (LEL) | 5.4 % by volume | HSDB | |
| 5.6 % by volume | CAMEO | ||
| Upper explosive limit (UEL) | 11.4 % by volume | HSDB | |
| Vapor density | 3.44 (air = 1) | HSDB | |
| 3.4 (air = 1) | ICSC | ||
| Odor threshold | Threshold concentration: 120 ppm (no specific isomer); 200 ppm (no specific isomer). | HSDB | |
| 445.5 mg/cu m (odor low) 810 mg/cu m (odor high). | HSDB | ||
| Odor Threshold Low: 49.0 [ppm] | Haz-Map | ||
| Critical temperature and pressure | 250.25 °C (482.5 °F) | HSDB | |
| Corrosivity | Will attack some forms of plastics, rubber, and coatings. | HSDB | |
| Corrosion rates for dry 1,1-dichloroethane are marginal but increase with water content and temperature. Aluminum is easily attacked. | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling 1,1-Dichloroethane
Storage conditions
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Oxidizing agents
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
1,1-DICHLOROETHANE can react vigorously with oxidizing materials. It is incompatible with strong bases. Contact with strong caustics will cause formation of flammable and toxic gas. It will attack some forms of plastics, rubber and coatings. (NTP, 1992)
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check 1,1-Dichloroethane in the storage compatibility matrix →