Substance profile
2,3,4-Trichloro-1-butene
2,3,4-Trichloro-1-butene: colourless liquid.
01 · Identification
What 2,3,4-Trichloro-1-butene is
2,3,4-Trichloro-1-butene: colourless liquid. Its molecular formula is C4H5Cl3 and its molecular weight is 159.44 g/mol. It boils at 159 °C, melts at -52 °C.
Under the GHS it carries the signal word Danger.
Other names for 2,3,4-Trichloro-1-butene
- 2,3,4-trichlorobut-1-ene
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 |
|---|---|
| H351 | Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H331 | Toxic if inhaled. |
| H302 | Harmful if swallowed. |
| H335 | May cause respiratory irritation. |
| H315 | Causes skin irritation. |
| H319 | Causes serious eye irritation. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P201, P260, P264, P270, P271, P273, P280, P301, P302, P304, P305, P308, P310, P312, P313, P330, P332, P337, P338, P352, P391, P501
03 · Physical and chemical properties
2,3,4-Trichloro-1-butene 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 | 158.5 °C (317.3 °F) | range, midpoint shown | ICSC |
| 60 °C (140 °F) | at 20 mmHg (reduced pressure) | HSDB | |
| Melting point | -52 °C (-61.6 °F) | ICSC | |
| Density | 1.34 g/cm³ | ICSC | |
| 1.343 g/cm³ | at 20 °C | HSDB | |
| Solubility | INSOL IN WATER; SOL IN BENZENE, CHLOROFORM | HSDB | |
| Solubility in water, g/100ml at 20 °C: 0.06 | at 20 °C | ICSC | |
| Vapor pressure | 1.7251 mmHg | at 20 °C | ICSC |
| 1.88 mmHg | Haz-Map | ||
| Flash point | 63 °C (145.4 °F) | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.