Description
2-Butenal
CROTONALDEHYDE 98% For Synthesis
Store at 2°C to 8°C
| Article No. | 03033 | Grade | For Synthesis |
| Purity | 98% | CAS No. | 123-73-9 |
| Molecular Formula | C4H6O | Molecular Weight | 70.09 |
| H.S. Code | 2912.1910 | Shelf Life | 24 Months |
Physical Properties
| Physical state at 20 °C | Liquid | Colour | Pale yellow | ||||
| Odour | Pungent | Melting point/ Freezing point [°C] | – 76.0 °C | ||||
| Auto-ignition temperature [°C] | 160 °C | Flash point [°C] | 9 °C | ||||
| Boiling point [°C] | 104 °C | Vapour pressure [20°C] | 32 mm Hg 20 °C | ||||
| Vapour pressure mm/Hg | 32 mm Hg 20 °C | Vapour density | 2.41 | ||||
| Density [g/cm3] | 0.846 | Solubility in water [% weight] | Soluble | ||||
| Explosion limits – upper [%] | 19.50% | Explosion limits -lower [%] | 2.50% | ||||
Specifications
| Appearance | A clear pale yellow liquid | Purity (by GC) | Min. 98.0% |
| Density (d20°C/4°C) | 0.851 – 0.853 |
Safety Information and Hazard Symbols
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Symbol: GHS02, GHS05, GHS06, GHS09
Signal Word: Danger
UN No.: 1143
IMCO Class No.: 6.1,3
Packing Group: I
Hazardous Statement: H225 – H301+H311- H315 – H318 – H330 – H335 – H373 – H400
Precaution Statement: P210 – P260- P280 -P304+P340 – P201 – P370+P378
Risk Statement: 11-24/25-26-37/38-41-48/22-50-68
Safety Statement: 26-28-36/37/39-45-61
Signal Word: Danger
UN No.: 1143
IMCO Class No.: 6.1,3
Packing Group: I
Hazardous Statement: H225 – H301+H311- H315 – H318 – H330 – H335 – H373 – H400
Precaution Statement: P210 – P260- P280 -P304+P340 – P201 – P370+P378
Risk Statement: 11-24/25-26-37/38-41-48/22-50-68
Safety Statement: 26-28-36/37/39-45-61