Product Description
| Product | Allene |
| CAS | 463-49-0 |
| Formula | C3H4 |
| Synonym | 1,2-Propadiene, Propadiene, sym-Allylene, Dimethylenemethane, CH2=C=CH2, Propa-1,2-diene, 1,2-propadiene, CH2=C=CH2, Propa-1,2-diene, Propadiene, inhibited, propadiene,inhibited, sym-Allylene, ALLENE, Dimethylene methane, 1,2-Propadiene, Allene, Dimethylenemethane, EINECS 207-335-3, HSDB 5135, Propadiene, Sym-allylene, UNII-4AV0LZ8QKB, 1,2-Propadiene, Allene, Superlist Names 1,2-Propadiene, Propadiene, Propadiene, inhibited, Propadiene, inhibited [UN2200] [Flammable gas], UN2200 |
Typical Product Specifications
| Molecular weight | 40.06 |
| EINECS | 207-335-3 |
| SMILES | C(=C)=C |
| InChI | 1S/C3H4/c1-3-2/h1-2H2 |
| Atmospheric OH Rate Constant | 9.84E-12 cm3/molecule-sec |
| Boiling Point | -3.44E+01 ° C |
| Melting Point | -1.36E+02 ° C |
| Vapor Pressure | 5430 mm Hg |
| Water solubility | 2150 mg/L |
| log P (octanol-water) | 1.45 |
| Henry's Law Constant | 0.062 atm-m3/mole |
| Storage Temperature | 2-8°C |
| Density | 0,647 g/cm3 |
| Vapor Pressure | 6795 mm Hg ( 21 °C) |
| Vapor Density | 1.42 (20 °C, vs air) |
| Boiling Point | -34 °C |
| Melting Point | -136 °C |
| Class | Specialty Chemicals |
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