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Cas Database |
| Name |
2-Ethyl-1-butene |
EINECS | N/A |
| CAS No. | 760-21-4 | Density | 0.689 g/mL at 25 °C(lit.) |
| PSA | 0.00000 | LogP | 2.36260 |
| Solubility | Soluble in alcohol, and methanol. Insoluble in water. | Melting Point |
−131.5-−131 °C(lit.) |
| Formula | C6H12 | Boiling Point |
64-65 °C(lit.) |
| Molecular Weight | 84.1613 | Flash Point | −15 °F |
| Transport Information | N/A | Appearance | N/A |
| Safety | A human eye irritant. A very dangerous fire hazard when exposed to heat, flames, or oxidizers. To fight fire, use dry chemical, CO2, foam, spray. When heated to decomposition it emits acrid smoke and irritating fumes. | Risk Codes | R11; R43; R51/53 |
| Molecular Structure |
|
Hazard Symbols |
 F, Xi, N
|
| Synonyms |
1-Butene,2-ethyl- (6CI,8CI); 1,1-Diethylethene; 1,1-Diethylethylene; 2-Ethyl-1-butene;3-Methylenepentane; NSC 74120 |
Article Data | 61 |
2-Ethyl-1-butene Chemical Properties
Empirical Formula: C6H12
Molecular Weight: 84.1595 g/mol
EINECS: 212-078-5
Index of Refraction: 1.395
Density: 0.687 g/cm3
Enthalpy of Vaporization: 29.17 kJ/mol
Boiling Point: 62 °C at 760 mmHg
Vapour Pressure: 194 mmHg at 25 °C
Structure of 2-Ethyl-1-butene (CAS NO.760-21-4):
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IUPAC Name: 3-Methylidenepentane
Product Categories of 2-Ethyl-1-butene (CAS NO.760-21-4): Acyclic;Alkenes;Organic Building Blocks
2-Ethyl-1-butene Toxicity Data With Reference
| 1. | eye-hmn 5 ppm | JOCMA7 Journal of Occupational Medicine. 2 (1960),383. |
2-Ethyl-1-butene Consensus Reports
Reported in EPA TSCA Inventory.
2-Ethyl-1-butene Safety Profile
A human eye irritant. A very dangerous fire hazard when exposed to heat, flames, or oxidizers. To fight fire, use dry chemical, CO2, foam, spray. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes of 2-Ethyl-1-butene (CAS NO.760-21-4): 
F,
Xi,
N
Risk Statements: 11-43-51/53
R11:Highly flammable.
R43:May cause sensitization by skin contact.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 36/37-61
S36/37:Wear suitable protective clothing and gloves.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
2-Ethyl-1-butene Specification
2-Ethyl-1-butene ,its cas register number is 760-21-4. It also can be called Pentane, 3-methylene- ; 3-Methylenepentane ; and 1-Butene, 2-ethyl- .
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